Inbreeding depression is defined as reduced fitness or performance arising from increasing homozygosity of progenies due to successive inbreeding, whereas heterosis refers to the superiority of a ...

Habitat destruction results in wildlife populations that are small, made up of relatives, and have low genetic variation. Breeding between relatives (inbreeding) has harmful effects called 'inbreeding ...

Inbreeding and the health and reproductive issues that come with are causing leopards to be more vulnerable to extinction the study found Kelli Bender is the Pets Editor at PEOPLE. She has been ...

Small populations, inbreeding, and random demographic fluctuations could have been enough to cause Neanderthal extinction, according to a new study. Small populations, inbreeding, and random ...

The small size and isolation of the endangered population of Southern Resident killer whales in the Pacific Northwest have led to high levels of inbreeding. This inbreeding has contributed to their ...

Neanderthals went extinct around 40,000 years ago – about the same time that modern humans migrated out of Africa. This has led researchers to believe that modern humans won the competition for ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. We may be overestimating the role our ancestors played in the demise of ...

The "Habsburg jaw", a facial condition of the Habsburg dynasty of Spanish and Austrian kings and their wives, can be attributed to inbreeding, according to new results published in the Annals of Human ...

This study was reported by Qifa Zhang and Yidan Ouyang’ group from the National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China. Inbreeding depression is ...