Quick Take Dog breeding genetics explain how dominant, additive, and recessive genes shape traits and disease risk in litters. Outcrossing expands the gene pool and lowers recessive disease risk, ...

Quick Take Inbreeding occurs when relatives mate and can cause inbreeding depression, with abnormalities, health issues, and reduced fertility. Cheetahs have very low genetic variation, leading to ...

A harrowing documentary has shone a light on a taboo subject that continues to go on in America — inbreeding. New York-based photographer Mark Laita interviewed members of the West Virginia-based ...