The northern and southern maned sloths may look very similar from the outside, but their genomes reveal different stories: ...

Purebred dogs might look flawless on the outside, but their beauty often hides a disturbing genetic truth. For generations, breeders have prioritized traits like coat color and snub noses over genetic ...

Purebred dogs may look picture-perfect, but behind those tightly controlled bloodlines lies a harsh reality: inbreeding of ...

When it comes to love, a group of giraffes is keeping it in the family. It may be killing them. Biologists discovered alarmingly high levels of inbreeding among Masai giraffes, an endangered ...

"Of all the subspecies of reindeer found in the high north, the Svalbard reindeer has the most inbreeding and the lowest genetic diversity," says Nicolas Dussex, a postdoc at Norwegian University of ...

Humans generally leave more descendants if they marry someone who is not too closely related. So highly inbred royal families experience many genetic disorders like hemophilia. Inbreeding is connected ...

New research suggests that inbreeding may be a key reason that the Pacific Northwest's endangered population of killer whales has failed to recover despite decades of conservation efforts. The ...

Eastern Massasauga rattlesnakes are found in the wetlands of Michigan and other Midwestern states. “These are fairly large and stable populations of Eastern Massasaugas,” study co-author and Michigan ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SEATTLE (AP) — People have taken many steps ...