A cousin marriage is a marriage where the spouses are cousins. The practice was common in earlier times and continues to be common in some societies today. In some jurisdictions such marriages are pro
14th-century miniature of a tree illustrating the kinds of blood relatives and common ancestry which made marriage impossible and contracted marriages null.
Jacob encountering Rachel with her father's herds
Inbreeding is the production of offspring from the mating or breeding of individuals or organisms that are closely related genetically. By analogy, the term is used in human reproduction, but more com
Cousin marriage
…common in earlier times and continues to be common in some societies today. In some jurisdictions such marriages are prohibited due to concerns about inbreeding. Worldwide, more than 10% of marriages are between first or second cousins. Cousin marriage is an important topic in anthropology and alliance theory…
White tiger in Gunma Safari Park
Banded mongoose females regularly mate with their fathers and brothers.
Hereditary polycystic kidney disease is prevalent in the Persian cat breed, affecting almost half the population in some countries.