A female with unattached earlobes and a widow's peak hairline, and a male with attached earlobes and a widow's peak hairline hav
e a child. the child has attached earlobes and a non-widow's peak hairline. widow's peak hairline is dominant to non-widow's peak, and unattached earlobes are dominant over attached. what are the genotypes of the parents? what is the probability that they will have a child that has unattached earlobes and a non-widow's peak hairline?
