If two parents are going to have one child, the percent probability of having a girl is 50% and the percent probability of having a boy is 50%.
So the correct answer is B. 50% ; 50%
Hope this helps,
Davinia.
Answer AND Explanation:
Let H represent gene for normal blood clotting and h for haemophilia.
XH Y
Xh XHXh XhY
Xh XhXH XhY
Male children with hemophilia: 50%
Male children without hemophilia:
0 %
Female children with hemophilia: 0%
Female children that are carriers for hemophilia: 50%