Black furin mice (B) is dominant to brown fur (b). short tail (T) is dominant to long tail (t). Short whiskers (W) are dominant to long whiskers (w). You cross two mice, BbTtWW x BBttWW.
What fraction of the progeny of the cross will have lack fur?
What fraction will have short tails?
what fraction will have black fur and short tails?
What farction will have long whiskers and black fur?