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25% of Zimbabweans are born with only two toes
Legs many Zimbabweans resemble an unpleasant kind of hoof. This disease, ectrodactyly, also known as "lobster claw syndrome," it has a genetic origin and meets every 4th born child.
Especially "claw" Wade in the tribe distributed in western Zimbabwe. Get rid of the disease extremely difficult: the first gene responsible for the mutation is dominant, second gene pool is limited to representatives of Wade as to marry people from other tribes are prohibited.
via factroom.ru
