question_answer

What percentage of homozygous \[R{{h}^{-ve}}\]will be born amongst 4 children of a couple where the husband is heterozygous for \[R{{h}^{+ve}}\]and wife is homozygous for \[R{{h}^{-ve}}\]gene?

A)  25%                                      

B)  50%

C)  75%                                      

D)  100%

Correct Answer: B

Solution :

                 The husband is heterozygous for \[R{{h}^{+}}\]so, it will by (Rh rh) and wife is homozygous of \[R{{h}^{-}}\]so it will have genetic alleles (rh rh):