The Estimated Heritability of 48 Percent for Neuroticism in the Population

Multiple Choice

The estimated heritability of 48 percent for neuroticism in the population supports the claim that

A) the incidence of neuroticism is associated with that of another distinct trait.
B) those with the neurotic trait share a particular dominant allele.
C) the population in general has a recessive gene for neuroticism.
D) the variability in neuroticism is due partly to genetic variability in the population.