incest

Members of the Habsburg family almost all suffer from this syndrome, when their jaws become extremely large, making it difficult to eat.

DNA analysis from fossil toe bones of the Neanderthal woman, dating back to 50,000 years, shows that signs of inbreeding may have been common in these ancient generations.

Fossils dating back to 100,000 years found in Hua Jia Dao, northern China show that the ancient incest seems to be very common.

Scientists have discovered that cotton mealybug (Icerya purchasi) has a very special sex life related to bloodline. Females are able to fertilize their eggs without mating with

A study helps scientists discover the secret to helping seabirds avoid their relatives during the search for mates to mate. Until recently many scientists still thought that birds