The gene for rough coat is dominant to the gene for a smooth and black is dominant to white. Cross-and animal homozygous for both rough and black with a smooth white one.
a) What will be the appearance of the F1?
b) What will be the appearance of F2?
c) What will be the appearance of the offspring of a cross of the F1 with the rough black parent?
d) What will be the appearance of the offspring of a black or test cross of the F1 with the smooth white parent?

How many different types of gametes could be produced by a guinea pig of the genotype bbLlRrSsTt?