A Woman Who Can Roll Her Tongue (Presumably Dominant)is Married

Multiple Choice

A woman who can roll her tongue (presumably dominant) is married to a man who cannot.Two of their four children can roll their tongues and two cannot.If A = roll tongue and a = cannot roll tongue,then what is the genotype of the parents?

A) woman Aa; man Aa
B) woman AA; man aa
C) woman Aa; man AA
D) woman Aa; man aa
E) woman aa; man aa