The presence of freckles is a characteristic controlled by a dominant gene. Two parents who are heterozygous for the characteristic have three children, all of whom have freckles. Which statement is true if they have a fourth child?
A. There is a 100 % chance that their next child will have freckles.
B. There is a 75 % chance that their next child will have freckles.
C. There is a 50 % chance that their next child will have freckles.
D. The next child will have no freckles as the ratio is 3 with freckles to 1 without freckles.

B