The hemophilia gene is linked to the X-sex chromosome. h – hemophilia (recessive), N – norm (dominant).

The hemophilia gene is linked to the X-sex chromosome. h – hemophilia (recessive), N – norm (dominant). It is known that a woman has 2 types of gametes, and a man is healthy. A) What is the probability of having a healthy child for such parents? B) what is the probability of having a healthy daughter? Q) a healthy son?

Since the mother has 2 types of gametes, this means that she is not sick, but carries the hemophilia gene.

A) The birth of a healthy child will be 50%;

B) The birth of a healthy daughter will be equal to 25%;

C) The birth of a healthy son will be 25%.