The older a woman gets, the greater the chances that she will give birth ... ...

The older a woman gets, the greater the chances that she will give birth to a Down syndrome child. Which of the following statements is true?
(A) Only the mother (through the egg) can cause Down syndrome in a child; the father (through the sperm) cannot.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in 18. Reproductive Systems, Gametogenesis, and Early Development