A woman who does not have sickle cell anemia has a sister with sickle cell anemia. Both of her parents do not have sickle cell anemia.

This non-affected woman has children with a man from sub-Saharan Africa who does not have sickle cell anemia. However, there is no information about whether this disease runs in his family. Use the Hardy-Weinberg equation with the information that approximately 96% of the people do not have the autosomal recessive disease sickle cell anemia to determine the probability that the man is a carrier.

What is the probability that they will have a child with sickle cell anemia?

A) 0.25
B) 0.15
C) 0.05
D) 0.04
E) There is not enough information to answer this question