| She interbred her plants with experimental thale cress that had altered forms of these other interesting genes. |
| European boars interbred with the Polynesians' small pigs, and the offspring ran wild. |
| Red junglefowl have been mostly genetically interbred with domestic and feral chickens, as a survey of 745 museum specimens has shown. |
| A small, long-legged chicken reported to have laid blue eggs was introduced in pre-European times but later interbred with European varieties. |
| A lot of the cats interbred with the local wild cats and created some of the breeds we know today. |
| Fleeing the destruction of their own planet, the Martians had, five millions years previously, interbred with protohuman hominids in order to perpetuate their species. |
