In humans, the Y chromosome contains a gene that determines the development of membranes between the second and third toes.

In humans, the Y chromosome contains a gene that determines the development of membranes between the second and third toes. Determine what kind of children and grandchildren a man with membranes between his toes may have and a woman who does not have these membranes.

Male children and grandchildren will have webbing between their toes.

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