this is genetics btw

In a cross between true-breeding black and white mice, allF1 progeny are the same shade of gray. In a very largeF2 litter, there are 6 black mice, 11 gray mice thatlook like the F1 parents, and 5 white mice. -       A.       B.      C.       D.      E.       F. Â
      -      A.       B.      C.       D.      E.       F. Â	The hydrangea plant in the backyard produced pink flowers inprevious summers. You had some fertilizer for \"acid-loving plants\"and threw some under the hydrangea in the fall. This summer, theflowers were all blue.
      -      A.       B.      C.       D.      E.       F. Â	A patient with type O blood receives two transfusions, one froma donor with type B blood and another from a donor with type Ablood. The patient has the same negative reaction to bothtransfusions.
      -      A.       B.      C.       D.      E.       F. Â	You cross two true-breeding yellow labrador retrievers and allthe pups come out black.
      -      A.       B.      C.       D.      E.       F. Â	Your 120 pound mastiff somehow mates with a 40 pound bassethound. When the extremely cute pups grow up, they range in weightfrom 52 to 112 pounds, with most of them between 70 to 90pounds.
      -      A.       B.      C.       D.      E.       F. Â	You cross two fruit flies that both are homozygous for adominant trait bristles on their abdomens(b+b+). Only 80 % of theprogeny have abdominal bristles.

A.	Epistasis
B.	Co-dominance
C.	Polygenic inheritance
D.	Environmental impact on gene expression
E.	Incomplete dominance
F.	Incomplete penetrance