The diagram below shows a happy family of mice, with two parents and four offspring. However, one of the offspring mice is an imposter. The black-fur parent has the genotype FF Ee, and the white-fur parent has the genotype ff Ee. Given these parent genotypes, which offspring mouse could not have been born to these parents?
Mouse parents and offspring
A. Offspring A (Ff Ee)
B. Offspring B (Ff EE)
C. Offspring C (Ff ee)
D. Offspring D (ff EE)