question_answer

A woman has a haemophilic son and three normal children. Her genotype and that of her husband with respect to this gene would be

A)                 \[~XX\] and \[{{X}^{h}}Y\]                          

B)  \[{{X}^{h}}{{X}^{h}}\]and \[{{X}^{h}}Y\]

C)                  \[{{X}^{h}}{{X}^{h}}\]and \[XY\]                              

D)  \[{{X}^{h}}Y\]and \[XY\]

Correct Answer: D

Solution :