Question

A couple has 2 children, both of whom are girls. What is the chance that the parents’ next child will be a Boy (doing a Punnett square of XX x XY may help)?

A. 0%
B. 25%
C. 50%
D. 100%

Answer 1

C. 50%

Step-by-step explanation:

with the punnet square done it would be 50% XX and 50% XY so the answer would be 50%

Answer 2

C. 50%

Step-by-step explanation:

Since the father has a 50% chance of contributing an X chromosome and a 50% chance of contributing a Y chromosome, the probability that the couple's next child will be a boy is 50%.