Which Statement Is NOT True About Nonrandom Mating

Multiple Choice

Which statement is NOT true about nonrandom mating?

A) Inbreeding is mating between relatives more often than by chance
B) Inbreeding is a change in allele frequencies that increases the proportion of heterozygotes in the population
C) An example of positive assortative mating is when a tall man marries a tall woman
D) Assortative mating tends to cause subdivision into two phenotypic classes with reduced gene flow between them