congenital absence of all or part of one or more fingers or toes. Known also as split-hand/foot deformity, lobster claw. There are several varieties and the pattern of inheritance, which though lasting through multiple generations, is usually somewhat irregular; may be autosomal dominant, autosomal recessive, or x-linked.
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... opt to have an extra toes or fingers removed shorty after a child is born that way ... ) Also, there are plenty of people who have 2 fingers "ectrodactyly" (http://en.wikipedia.org/wiki/Ectrodactyly) ... and they are just fine. So finger number? Yeah, I don't know why most people have ...
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