Question: Black fur in mice (B) is dominant to brown fur (b). Short tails (T) are dominant to long tails (t…

Black fur in mice (B) is
dominant to brown fur (b). Short tails (T) are dominant to
long tails (t). What fraction of the progeny of the cross BbTt ×
BBtt will have black fur and long tails?

         A) 1/16

         B) 9/16

         C) 3/8

         D) 3/16

         E) 1/2