Q1. Yellow guinea pigs (Y) crossed with white (Y’) guinea pigs always produce cream colored offspring. What kind of inheritance is operating here? If you crossed two cream guinea pigs, what is the possibility of yellow offspring? Of white offspring? Of cream offspring?

Q2. While Mexican hairless dogs are crossed with normally haired dogs, about half the pups are hairless and half have hair. While, though, two Mexican hairless dogs are mated, about a third of the pups produced hair, about two thirds are hairless and some deformed puppies are born dead. Explain the results.