Men older than 40 have a higher risk of fathering a child with autism spectrum disorder than do men younger than 30 because they have a higher frequency of ________ in their sperm-producing cells.
A) adrenal hormones
B) association areas
C) random genetic mutations
D) MMR vaccine

Question

Quizplus · Accepted Answer

Men older than 40 have a higher frequency of random genetic mutations in their sperm-producing cells, which can increase the risk of fathering a child with autism spectrum disorder. Adrenal hormones, association areas, and the MMR vaccine do not have a known direct link to autism spectrum disorder risk in children.

Men Older Than 40 Have a Higher Risk of Fathering