Fur color is a trait controlled by a dominant over recessive gene. The fur color is either brown or black.

Two brown mice and produce 12 offspring. Three (25%) of the offspring produced are black fur and nine (75%) have brown fur.

Based on the above data, answer the follow questions.

State which fur color is dominant (1 pt each).
State which fur color is recessive (1 pt each).
What is the genotype for the black fur (1 pt )
What is the genotypes for the brown fur (2 pts )