Which of the following statements is true about a six-foot-tall man who has children with a five-foot-tall woman? (Assume the children had adequate nutrition during development.)
a. All male offspring will always be six feet tall.
b. The height of the offspring will vary in a normal distribution near the average height of the parents.
c. The height of the offspring will vary with no relationship to the average height of the parents.
d. All female offspring will always be five feet tall.