When their computer identified a chromosome with an unusual banding pattern, the researchers chalked up an intrachromosomal aberration. |
|
This appears to be consistent with a lower than normal level of recombination in this chromosome. |
|
Centromeres are the nonstaining primary constriction of a chromosome that separates the short arm from the long arm. |
|
At least two proteins required for proper chromosome segregation are associated with the nuclear envelope. |
|
For example, a screening check of Down's Syndrome might pick up the extra X chromosome that occurs in Chris's condition, Klinefelter's syndrome. |
|
Although this assay is very sensitive for detecting chromosomal loss, it is unable to detect non-disjunction and chromosome gain. |
|
Double reduction is a phenomenon that two sister chromatids of a chromosome sort into the same gamete. |
|
The presence of this extra chromosome results in failure to masculinize, small testes and sterility. |
|
In triploids, three separate haploid chromosome sets have been observed, as well as one diploid and one haploid set. |
|
In contrast to the autosomes, recombination of the X chromosome occurs only in females. |
|
Remarkably, almost all of these traits map genetically to the X chromosome. |
|
In most species males carry a single X chromosome and two autosomes, while females have two copies of both. |
|
Analysis of males for most loci allowed these loci to be mapped to autosomes or the X chromosome. |
|
Epigenetic regulation in aging mammals can be quantitatively measured using genes subject to X chromosome inactivation and genomic imprinting. |
|
In mammals, methylation is required for essential developmental programs including X chromosome inactivation in females and genomic imprinting. |
|
One potential factor postulated to influence the fate of duplicated genes is germ-line-specific X chromosome inactivation. |
|
The division of a cell into a pair of genetically identical daughters depends on accurate chromosome duplication and segregation. |
|
Bone marrow derived cells were identified by the presence of the Y chromosome, ordinarily found only in males. |
|
Genes in the second group are expressed exclusively in testes and form gene families on the Y chromosome. |
|
Evidence for concerted evolution of repeated sequences on the human Y chromosome has recently been presented. |
|
|
This is particularly so for sheltered chromosomes without recombination such as the Y chromosome in mammals. |
|
If a gene on the Y chromosome mutates, that piece of the male genetic code may disappear. |
|
Variability is increased in a wider region of the chromosome than expected for a single locus alone. |
|
In the absence of recombination and back mutation, the lost chromosome class cannot be regenerated. |
|
On average, each double-crossover bivalent produces one double-crossover chromosome in the absence of chromatid interference. |
|
These markers are used as signposts to mark the abnormal gene or the abnormal chromosome. |
|
This results in female mosaicism for loci located in the differential chromosome region. |
|
Polytene chromosome squashes, cuticle preps, maternal enhancement, and stage of lethality tests were performed as described. |
|
The MAC divides amitotically, resulting in a random distribution of chromosome copies. |
|
Monday I go in for an amnio to make sure our baby doesn't have Downs Syndrome or some other chromosome disorder. |
|
Every time a chromosome replicates itself, its telomeres shorten in length. |
|
They discovered that the gene for the disorder resides on the 5th chromosome. |
|
The test statistic was the ratio of the model to residual sums of squares at each point along the chromosome. |
|
When colonies are formed, the resulting cells tend to have euploid genomes derived from the aneuploid state by chromosome loss. |
|
The fusion of egg and sperm restores the diploid chromosome number in the zygote. |
|
The bouquet forms at late leptotene and early zygotene and is coincident with chromosome pairing. |
|
Third, many agronomically important genes or their alleles are chromosome specific and are not triplicated. |
|
On the second chromosome of D. melanogaster, there are two reversely duplicated Amy genes, called the proximal and distal genes. |
|
Our results also hold in both sexual and asexual species and recombining and nonrecombining chromosome regions. |
|
The RI lines were binned into genotypic pools to isolate the effects of the major QTL on chromosome 5 while holding the minor QTL constant. |
|
|
However, special attention must be paid to the donor chromosome segment around the target gene. |
|
High fidelity of meiotic chromosome segregation is essential for the propagation of all sexually reproducing organisms. |
|
Meiotic chromosome segregation is initiated when tension signals the bipolar attachment of microtubules to each homolog pair. |
|
In both cases, the breakpoints are chosen restricted to the chosen arm to ensure that each resultant chromosome has exactly one centromere. |
|
Males can, therefore, arise spontaneously, as a result of the rare meiotic loss of an X chromosome. |
|
The absence of chiasmata can readily account for the observed defect in meiotic chromosome segregation. |
|
The cells showed defects in chromosome segregation leading to the cutting of unsegregated chromosomes by the division septum. |
|
Chromosome 5 has metacentric signals whereas chromosome 2 has submetacentric signals. |
|
If the centromere is in the middle, the chromosome is metacentric and the chromosome arms are equal in size. |
|
The most direct way to assess chromosomal aneuploidy is to evaluate chromosome numbers in metaphase cells. |
|
Chromosome loss takes place by lagging of chromosomes at metaphase, for example because spindle fibres may fail to attach to a chromosome. |
|
These visible alterations in chromosome structure do not affect polarity by altering transcription of key patterning genes. |
|
The disorder is inherited as a sex-linked trait, with the HGPRT gene on the X chromosome. |
|
In total, variability at 205 microsatellites was studied on the third and the X chromosome. |
|
The chromosome from the father determines whether the offspring becomes male or female. |
|
The origin of the extra chromosome 21 due to meiotic non-disjunction was 79.24 per cent maternal and 20.76 per cent paternal. |
|
Positive findings of congenital malformations and chromosome aberrations deserve thorough scientific investigation. |
|
Damage caused to DNA may, in turn, induce mutation and chromosome abnormalities of the meristem cells. |
|
We have noticed that multiple clones carried an aberrant chromosome III that was indistinguishable by size. |
|
Removal of this aberrant chromosome from further calculations makes no change to the inferences drawn. |
|
|
No consistent chromosome aberrations have been identified in basophilic leukemia. |
|
Bone marrow cells exhibited chromosome aberrations, aneuploidy, and changes in the mitotic index. |
|
No chromosome aberrations were found in human spermatozoa in vitro exposed to several chemicals, including dioxin. |
|
Genetic factors such as parental chromosome abnormalities are a major known cause which should be looked for. |
|
To allow comparison between sexes, X chromosome abnormalities were concurrently studied in women. |
|
In nature, a chromosome can be lengthened by the enzyme telomerase, which adds new TTAGGG sequences to the end of the telomere. |
|
It has long been thought that the grouping of telomeres is important for chromosome pairing and subsequent synapsis. |
|
These two genes are tightly linked to the left telomere of the X chromosome. |
|
They are formed by acentric chromosome fragments or whole chromosomes which are not incorporated into daughter nuclei during cell division. |
|
A dicentric chromosome plus an acentric fragment were scored as one single aberration. |
|
More recently, however, several cloned chromosome 4 genes have been localized using in situ hybridization. |
|
When a gene on a more typical chromosome mutates, the chromosome can still recombine with its twin. |
|
Micronuclei may originate from acentric chromosome fragments or whole chromosomes lagging behind during cell division. |
|
A bivalent B chromosome was removed directly from a pachytene slide by a micromanipulator. |
|
The chromosome maps are given below the images, with black tick marks indicating the position of markers. |
|
The predominant anomalies in reproductive specimens include trisomy of the autosomes and monosomy of the X chromosome. |
|
Thus, these measures require only knowledge of the chromosome number for the markers in both genomes. |
|
In two pairs, the red and green signals are separated, suggesting chromosome breakage. |
|
Recent molecular data indicate differences in molecular chromosome organization among the genomes of diploid, tetraploid, and hexaploid wheat. |
|
This SC karyotype is very similar to karyotypes developed from pachytene chromosome squashes. |
|
|
Our studies on isogenic diploid and tetraploid cells show that tetraploids have increased chromosome instability during exponential growth. |
|
A nucleus with one green signal was considered monosomic for chromosome 8 and one with three hybridization signals as trisomic. |
|
A report of colchicine-induced tetraploidy in seedlings of A. mearnsii is the only one of chromosome doubling in the Acacieae. |
|
As originally defined by Winkler, genome referred to a monoploid chromosome complement. |
|
Two lines were unusual in that mutant males regularly produced mosaic progeny that had large patches of somatic tissue lacking the paternal fourth chromosome. |
|
The way in which the cell packages this genetic material is by tightly coiling it up and bundling it around proteins to form a structure called the chromosome. |
|
Gross changes in chromosome morphology occur at each mitosis. |
|
Starting at the macroscopic chromosome level we see that its structure can strongly vary throughout the cell cycle on timescales of hours or days. |
|
Throughout the article only autosomal chromosome segments are considered. |
|
Extensive mapping of the Y chromosome in the tammar wallaby had shown that the origin of the Y predated the divergence of marsupials from eutherian mammals. |
|
In fact, an increase in both spontaneous chromosome breakage and sister chromatid exchange after chemotherapy treatment has been reported by several authors. |
|
Pericentric inversion of chromosome 9 was seen in one azoospermic patient. |
|
Constitutional chromosome abnormalities were identified in 14.3 per cent of azoospermic and 6.5 per cent of oligozoospermic men, with an overall rate of 10.2 per cent. |
|
Second, the resolution of the mitoses was abnormal and led to the presence of chromosome bridges during anaphase or telophase and some nuclei became desynchronized. |
|
If chromosomes 1 and 2 are genetically more identical, as are chromosomes 3 and 4, there are three different combinations for the bivalent chromosome pairing. |
|
These banding patterns are distinct and consistent for each chromosome. |
|
It is important to examine other biomarkers, such as chromosome aberrations and micronuclei, that relate to the damage still present after cellular processing. |
|
The multitask gene is obviously linked to the X chromosome, because I know of no men who carry the trait. |
|
However, males who inherit an X chromosome with a gene for a sex-linked disease have no second X to fall back on and, therefore, have the disease. |
|
A new era of chromosome research began with the detection of giant chromosomes in tissues of Dipteran insects, the midges Bibio and Chironomus, and the fruit fly Drosophila. |
|
|
Their ancestral array could have existed on the autosomes of the progenitor of the A. gambiae complex, from which some repeats were translocated onto the Y chromosome. |
|
These chromosome pieces contain the same genes involved in the original translocation and they can translocate to the other chromosome producing the same fusion gene. |
|
It's not delirium tremors and chromosome breakage and only a small number of users would be seriously harmed. |
|
In metaphase, chromatid fragments are attached to the homologous area of the sister chromatid while acentric chromosome fragments are apart from their chromosome of origin. |
|
The analysis of structural aberrations included chromatid and chromosome breaks, appearance of acentric fragments, dicentric chromosomes and chromatid exchanges. |
|
The first numeral refers to the chromosome providing the centromere-carrying segment, the second to the chromosome supplying the acentric segment. |
|
Micronuclei can arise from acentric chromosome fragments or whole chromosomes that have not been incorporated in the main nuclei at cell division. |
|
First, cytogenetic techniques, especially quinacrine staining, were developed, enabling each chromosome to be recognized by its unique banding pattern. |
|
This study adds new data to the comparative genome map of the dog, red fox, arctic fox, and raccoon dog obtained recently by comparative chromosome painting. |
|
These defects, which include conditions such as hemophilia and color-blindness, are called X-linked because the genes are carried on the X chromosome. |
|
Calibrachoa can, however, be distinguished from Petunia based on the higher chromosome number, chromosome morphology, plant branching habit and type of flower bud estivation. |
|
A chromosome number of four was confirmed by cytological karyotyping. |
|
Unlike most chemical mutagens, which tend to cause point mutations, rays tend to produce larger aberrations such as chromosome deficiencies or rearrangements. |
|
First, we scanned each individual chromosome for double recombinants. |
|
As a consequence of such a chromosome reduction, cellular metabolite and energy resources would not be expended to maintain and express the deleted genetic information. |
|
If you scaled up the thickness of the DNA chain to that of ordinary sewing thread, you would need a 4 kilometer reel to represent the length in an average human chromosome. |
|
The largest cluster of imprinted genes in humans is the X chromosome. |
|
Inversions involve only one chromosome in which two breaks occur and, in the process of repair, the intervening segment is rejoined in an inverted or opposite manner. |
|
The spindle assembly checkpoint pathway is necessary for high-fidelity chromosome transmission in cells in which the spindle or kinetochores are compromised in some way. |
|
Therefore, chromosome studies are not recommended for patients who are thought to have a single gene disorder such as cystic fibrosis or muscular dystrophy. |
|
|
If a deleterious mutation occurs, the chromosome carrying that mutation can be lost following unequal assortment during amitosis of the macronucleus. |
|
Meiotic prophase can be further divided into leptotene, zygotene, pachytene, diplotene, and diakinesis stages defined by the state of chromosome pairing and condensation. |
|
It is the first synthetic chromosome ever assembled based on a eukaryotic organism, which stores DNA in nuclei. |
|
Plasmids are small circles of extragenomic DNA that exists and replicates independently from the bacterial chromosome. |
|
The specific location of a DNA sequence within a chromosome is known as a locus. |
|
Metagenders can have any body type, genital configuration, or chromosome type. |
|
Genetic research shows a strong similarity between the Y chromosome haplotypes of males from Basque country and Irish men with Gaelic surnames. |
|
Genetic linkage occurs when the loci of two alleles are in close proximity on a chromosome. |
|
Often mitochondrial DNA or Y chromosome sequences are used to study ancient human migration paths. |
|
Fernandes proposed two subgenera based on basal chromosome number, and then subdivided these into ten sections as did Blanchard. |
|
By contrast, the allosome pair consists of two X chromosomes in females or one X and one Y chromosome in males. |
|
A common example is Down syndrome, which is caused by possessing three copies of chromosome 21 instead of the usual two. |
|
Deletions of part of a chromosome cause partial monosomies, while duplications can cause partial trisomies. |
|
This could explain why no modern man had to date been found with a Neanderthal Y chromosome. |
|
In mammals, the Y chromosome contains the gene SRY, which triggers testis development. |
|
The DNA in the human Y chromosome is composed of about 59 million base pairs. |
|
Males have one Y chromosome and one X chromosome, while females have two X chromosomes. |
|
In mammals, the Y chromosome contains a gene, SRY, which triggers embryonic development as a male. |
|
The chromosome with this allele became the Y chromosome, while the other member of the pair became the X chromosome. |
|
The tips of the Y chromosome that could recombine with the X chromosome are referred to as the pseudoautosomal region. |
|
|
It is because of this disregard for the rules that the Y chromosome is such a superb tool for investigating recent human evolution. |
|
The human Y chromosome is particularly exposed to high mutation rates due to the environment in which it is housed. |
|
The Y chromosome is passed exclusively through sperm, which undergo multiple cell divisions during gametogenesis. |
|
These two conditions combined put the Y chromosome at a greater risk of mutation than the rest of the genome. |
|
Without the ability to recombine during meiosis, the Y chromosome is unable to expose individual alleles to natural selection. |
|
A clear, quantitative indication of this inefficiency is the entropy rate of the Y chromosome. |
|
Thus, genetic drift is an exceptionally strong force acting upon the Y chromosome. |
|
Thus, although a male may have a well adapted Y chromosome free of excessive mutation, it may never make it in to the next gene pool. |
|
In other words, since the Y chromosome is single, it has duplicates of its genes on itself instead of having a second, homologous, chromosome. |
|
Findings were confirmed by comparing similar regions of the Y chromosome in humans to the Y chromosomes of chimpanzees, bonobos and gorillas. |
|
In Drosophila melanogaster, the Y chromosome does not trigger male development. |
|
The human Y chromosome contains over 200 genes, at least 72 of which code for proteins. |
|
Diseases linked to Y chromosome can be of more common types or very rare ones. |
|
Yet, the rare ones still have importance in understanding the function of the Y chromosome in the normal case. |
|
However, having two X chromosomes and one Y chromosome has similar effects. |
|
On the other hand, having Y chromosome polysomy has other effects than masculinization. |
|
When such an X chromosome contributes to the child, the development will lead to a male, because of the SRY gene. |
|
A 2012 study at the same institute has detected cells with the Y chromosome in multiple areas of the brains of deceased women. |
|
The Y is a small metacentric chromosome, while the X is a large metacentric chromosome. |
|
Among other things, this would allow scientists to identify a common Y chromosome in male descendants of Confucius. |
|
|
Carex displays the most dynamic chromosome evolution of all flowering plants. |
|
We karyotyped amniocytes or maternal WBCs via G-banding analysis of metaphase chromosome spreads at 450-band resolution. |
|
The most common karyotypic changes seen in papillary renal cell carcinoma are trisomy 7 and 17 with loss of Y chromosome. |
|
Kinetochores are crucial for accurate chromosome segregation because they link chromosomes to spindle microtubules. |
|
The extremities or arms of a chromosome, called telomeres, naturally shorten each time a cell replicates. |
|
Their study, published online January 12, 2014 in Nature, used stem cells to correct a defective ring chromosome with a normal chromosome. |
|
When the new chromosome takes control of the cell, it becomes a new life form. |
|
In the Rock Wren, the W chromosome is metacentric, whereas that of the Canyon Wren appears to be telocentric. |
|
One major difference between the fern and seed plant genome is their chromosome numbers. |
|
But sirtuin has a second critical role, one triggered by emergencies like a break in both DNA strands of a chromosome. |
|
Proper mitosis, in turn, depends on changes in chromosome organization, such as chromosome condensation and sister chromatid cohesion. |
|
Sister chromatid exchange and chromosome aberrations induced by curcumine and tartrazine on mammalian cells in vivo. |
|
Panel A shows the outcomes of sister chromatid exchange involving a ring chromosome. |
|
Females of the three species show a chromosome complement of 44 telocentric chromosomes, with a similar karyotype. |
|
Emphasis was directed at chromosome 15, the target chromosome in the mutagenesis scheme. |
|
A cellular oncogene is translocated to the Philadelphia chromosome in chronic myelocytic leukemia. |
|
Translocation of c-ab 1 oncogene correlates with the presence of a Philadelphia chromosome in chronic myelocytic leukaemia. |
|
Refined human artificial chromosome vectors for gene therapy and animal transgenesis. |
|
Mendel actually did a trihybrid cross in which two of the three genes were on the same chromosome. |
|
In comparison, the length of the entire human Y chromosome is about 70,000 kilobases. |
|
|
Evaluation of sperm chromatin quality and screening of Y chromosome microdeletions in Greek males with severe oligozoospermia. |
|
Differential Staining with Orcein, Giemsa, CMA, and DAPI for comparative chromosome study of 12 species of Australian Drosera. |
|
Von Hippel-Lindau disease maps to the region of chromosome 3 associated with renal cell carcinoma. |
|
Though many people have never heard of 1p36 Deletion Syndrome, it is the one of the most common chromosome deletions. |
|
Structural alterations of chromosome 2 in Leishmania major as evidence for diploidy, including spontaneous amplification of the mini-exon array. |
|
Red hair is caused by a recessive gene on chromosome 16 and has high levels of pigment pheomelanin. |
|
In view of Philadelphia chromosome positivity and the patient's age, it might be suspected that the patient had CML presenting in blast crisis. |
|
Most people with CML have an abnormal chromosome, known as the Philadelphia chromosome, in which segments of chromosomes 9 and 22 are fused. |
|
The Philadelphia chromosome is an abnormality that sometimes occurs in the bone marrow cells of leukemia patients. |
|
Aurora kinase B also phosphorylates Ser10, along with Ser28, at the onset of mitosis to initiate chromosome condensation. |
|
A haplotype is a combination of alleles at adjacent locations on a chromosome that are inherited together. |
|
Interleukin-10 is a potent pleiotropic cytokine, located on chromosome 1q31-32, consisting of five exons and four introns. |
|
His particular interests are dysmorphology, chromosome disorders and counselling. |
|
The incidence of polysomy of chromosome 17 varies from 10-50 per cent depending on criterion used to define the polysomic state. |
|
Evidence for genetic suppression of heterogenetic chromosome pairing in polyploid species of Solanum, sect. |
|
Epimutation of the telomeric imprinting center region on chromosome 11p15 in Silver-Russell syndrome. |
|
Protein binding protects sites on stable episomes and in the chromosome from de novo methylation. |
|
The genetic focus of prion disease lies in the Prnp gene, which is located on chromosome 20 in humans and is a member of the Prn gene family. |
|
Analysis of chromosome loss and hyperploidy in peripheral lymphocytes of gasoline station attendants. |
|
Every chromosome has a long arm and a short arm separated by a pinch point known as a centromere. |
|
|
From these polar bodies in the cytoplasm protein fibers form which correctly distribute the duplicated chromosome set to the newly forming daughter cells. |
|
Some cells, especially in older men and smokers, lack a Y chromosome. |
|
In the terminal stages of the degeneration of the Y chromosome, other chromosomes increasingly take over genes and functions formerly associated with it. |
|
The rest of the Y chromosome is passed on to the next generation intact. |
|
Stevens proposed that chromosomes always existed in pairs and that the Y chromosome was the pair of the X chromosome discovered in 1890 by Hermann Henking. |
|
According to recent genetic analysis, both mtDNA and Y chromosome polymorphisms showed a noticeable genetic affinity between Swedes and other Germanic ethnic groups. |
|
In the present hybrids, evaluation of the chromosome pairing at diakinesis revealed that quadrivalents occur, but in low frequency, ranging from one to three. |
|
Antimicrobial resistance among gonococci is common, either determined by the genes of the organism or by genetic elements which are not part of the chromosome of the organism. |
|
Hybridization and chromosome pairing studies have to some extent revealed the species relationship and the progenitors of some of the polyploidy species have been determined. |
|
The secondary resistant IB128 cell line was also characterized by an unbalanced pentaploidy of the short arm of chromosome 17 including the TP53 gene. |
|
If the disappearing chromosome originally came from the parent who contributed only one, then the child may harbor cells that are uniparentally disomic. |
|
However, Y chromosome analysis associated wisent and American bison. |
|
In order to avoid misinterpreting chromosome 17 polysomy as HER2 gene amplification, the use of a CEN 17 probe is recommended for more accurate HER2 status assessment. |
|
The acrocentric chromosome restored fertility even in monosomic condition, in contrast to chromosome 6H ch S which only fully restored fertility when present in homozygosis. |
|
Much of this argument depended on paternal Y chromosome DNA evidence. |
|
These landmarks allowed the researchers to divvy the chromosome up into manageable chunks and to assemble the chunks in the correct order, they report in the Oct. |
|
It became possible to use Y chromosome DNA to study male descent. |
|
During this split, chromosome 2 was formed from two other chromosomes, leaving humans with only 23 pairs of chromosomes, compared to 24 for the other apes. |
|
Muntjac are of great interest in evolutionary studies because of their dramatic chromosome variations and the recent discovery of several new species. |
|
Mother Nature has barred the Y chromosome from the standard genetic swap meet called recombination, otherwise the Y chromosome would sneak into the X, making everyone male. |
|
|
Recovery of chromosome aberrations from natural populations of corn earworms and tobacco budworms subjected to daily releases of partially sterile moths. |
|
The black solid lines indicate noncolinear chromosome fragments. |
|
A normal chromosome is linear, with its ends protected, but with ring chromosomes, the two ends of the chromosome fuse together, forming a circle. |
|
In June, Forsberg's team reported linking Y chromosome loss to a higher risk of several types of cancer and a decreased life span in a smaller group of men. |
|
These specialized chromosome caps also help protect the DNA ends, and stop the DNA repair systems in the cell from treating them as damage to be corrected. |
|
The centromere is the part of a chromosome that links sister chromatids. |
|
The primary spermatocyte is the largest of the germ cells in the tubule, and the various stages are distinguished based on the degree of chromosome coiling. |
|
Among the analyzed embryos, simple aneuploidy involving single chromosome anomalies was more common among embryos that developed into blastocysts and morulas. |
|
The unbalanced distribution of the chromosomes involved in the translocation, leads to partial trisomy for one chromosome and partial monosomy for the other chromosome. |
|
Ring chromosome was observed to have a single centromer in CBG banding. |
|
Other reports indicated that mutation in the above chromosome regions resulted in human preaxial polydactyly, mouse Hx, Hm and Ssq limb abnormality, and chicken polydactyly. |
|
Y chromosome aneuploidy, micronuclei, kinetochores and aging in men. |
|
The arrangement of kinetochore activity along the whole chromosome has consequences for meiosis and must be considered in relation to function and evolution of the genome. |
|
For example, a cytogenomic array that produces a karyogram, showing a deletion of chromosome 13q14 in the DNA from tumor cells of a patient with chronic lymphocytic leukemia. |
|
This report deals with cytogenetics in a broader sense rather than the classical use mainly to describe the chromosome structure and identify abnormalities related to disease. |
|
In 2013 a DNA test performed on multiple different families who claimed descent from Confucius found that they shared the same Y chromosome as reported by Fudan University. |
|
The karyotypes of different camelid species have been studied earlier by many groups, but no agreement on chromosome nomenclature of camelids has been reached. |
|
The following are some of the gene count estimates of human Y chromosome. |
|
And yet women, who have no Y chromosome, have lower rates of cancer. |
|
This tendency is measured by finding how often two alleles occur together on a single chromosome compared to expectations, which is called their linkage disequilibrium. |
|