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A boy is born with an extra finger on one hand. Extra digits are known to be common in members of the father's extended family, but not the mother's. The boy's two sisters have normal fingers. What is
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A boy is born with an extra finger on one hand. Extra digits are

known to be common in members of the father's extended
family, but not the mother's. The boy's two sisters have normal
fingers. What is the most likely explanation?

User Toni Rikkola
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5.9k points

1 Answer

4 votes
There was a 50/50 chance for all the siblings to be extra fingered or normal, he got a little unlucky there
A boy is born with an extra finger on one hand. Extra digits are known to be common-example-1
User Nector
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