Dihybrid Crosses

Practice: Which of the following statements is correct in describing the terms monohybrid cross and dihybrid cross?

Practice: Which of the following phenomena is a consequence of independent assortment?

Practice: 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 created by crossing BbTt × BBtt will be expected to have black fur and long tails?