2. Unattached earlobes are inherited as a dominant trait; attached earlobes a recessive trait. Suppose a
homozygous man with unattached earlobes marries a homozygous woman who has attached earlobes.
A) What type of earlobes will their children have? B) If these children marry someone with the same
genotype as themselves, will all of their children have attached lobes? Explain your answer.
For questions 3 & 4 below: Use this information – In horses, a black coat (B) is dominant to brown coat
(b) and being a trotter (T) is dominant to being a pacer (t).