2. When nonrandom mating occurs in a population so that individuals prefer to ma

Question

2. When nonrandom mating occurs in a population so that individuals prefer to mate with similar individuals, allele frequencies should

A. Remain the same, but homozygotes will be overrepresented in the population.

B. Remain the same, but heterozygotes will be overrepresented in the population.

C. Change and heterozygotes will be overrepresented in the population.

D. Change and homozygotes will be overrepresented in the population.

E. Remain the same, at Hardy-Weinberg equilibrium.

10. Rocky Mountain juniper (Juniperus scopulorum) and one-seeded juniper (J. monosperma) have overlapping ranges. Pollen grains (which contain sperm cells) from one species are unable to germinate and make pollen tubes on female ovules (which contain egg cells) of the other species. These two juniper species are kept separate by _____.

A. habitat isolation

B. temporal isolation

C. gametic isolation

D. behavioral isolation

E. isolation

A. habitat isolation

B. temporal isolation

C. gametic isolation

D. behavioral isolation

E. isolation

Explanation / Answer

2. When nonrandom mating occurs in a population so that individuals prefer to mate with similar individuals, allele frequencies should

A. Remain the same, but homozygotes will be overrepresented in the population.

10. Rocky Mountain juniper (Juniperus scopulorum) and one-seeded juniper (J. monosperma) have overlapping ranges. Pollen grains (which contain sperm cells) from one species are unable to germinate and make pollen tubes on female ovules (which contain egg cells) of the other species. These two juniper species are kept separate by

C. gametic isolation

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