Consider the genetic cross for sex in humans. XX is female and XY is male. A family has 4 children, all girls. What are the chances that the family will have a boy as their fifth child?
Responses
A 0%0%
B 25%25%
C 50%50%
D 100%
Responses
A 0%0%
B 25%25%
C 50%50%
D 100%