A ___ gene will produce its effect regardless of which gene it is paired with

Which of the following statements about becoming a college student in midlife is true?

A) Life transitions rarely trigger a return to college. B) Students over age 25 in U.S. colleges make up about 25 percent of total enrollment. C) Role demands outside of school pull many returning women in conflicting directions. D) Most of adult learners are middle-aged men.

Autism, like schizophrenia, appears to be

A) not inherited. B) one of a spectrum of disorders that are genetically related. C) best treated by antipsychotic medications. D) a very unreliable diagnosis.