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inbreeding

Model of two ancient humans. Credit: Genetic Literacy Project

Prehistoric Humans are Likely to Have Formed Sex Networks to Avoid Inbreeding

Early humans seem to have recognized the dangers of inbreeding at least 34,000 years ago, and developed surprisingly sophisticated social and mating networks to avoid it, new research has found. The...
The mummified head of Egyptian pharaoh King Ahmose I, whose parents and grandparents were probably both sets of siblings.

Study Presents Evidence of Extensive Inbreeding among Ancient Egyptian Royalty

A 2015 study revealed little variation in body height among Egyptian Pharaohs compared to the general population, signaling the presence of extensive inbreeding among the ancient Egyptian royalty...