6. In mice, there is a lethal mutation that causes embryos with the homozygous genotype YY to die
before birth. Baby mice with the genotype YG appear yellow, and GG mice are gray.
a. If 2 gray mice mate, what % of their offspring would be expected to die before birth?
(2 pts.) Show the cross to prove it. (4 pts.)
b. If I gray mouse and 1 yellow mouse mate, what % of their offspring would be expected to die
(2 pts.) Show the cross to prove it. (4 pts.)
before birth?
c. If 2 yellow parent mice mate, what percent of their offspring would be expected to die before
birth?
(2 pts.) Show the cross to prove it. (4 pts.)