Remember That,in Labrador Retrievers,B (Black Coat)is Dominant to B (Brown

Multiple Choice

Remember that,in Labrador retrievers,B (black coat) is dominant to b (brown coat) and homozygosity for the recessive epistatic allele e always results in a yellow coat.A brown female is crossed to a yellow male,and their progeny consists of six black puppies.Interestingly,when one of the F₁ females is crossed to her yellow father,she gives birth to seven puppies: three yellow,three black,and one brown. What are the most likely genotypes of the original brown female and yellow male?

A) b/b;E/E (female) and B/B;e/e (male)
B) b/b;E/E (female) and B/b;e/e (male)
C) b/b;E/e(female) and B/B;e/e (male)
D) b/b;E/e(female) and B/b;e/e (male)
E) b/b;E/E (female) and b/b;e/e (male)