contestada

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?

Respuesta :

There was a 50/50 chance for all the siblings to be extra fingered or normal, he got a little unlucky there
Ver imagen ilovedoggos44