Bio 111 Chapter 23 Connect

Cryptic female choice occurs in animal species in which __________ mate with more than one __________

Blank 1: females Blank 2: male or mate

Select the conditions that must be met for a population to be in Hardy-Weinberg equilibrium.

Mating is random. The population is very large. Natural selection is not occurring.

The __________ __________ of a population consists of all of the alleles for every gene in the population.

blank 1: gene blank 2: pool

A gene could be polymorphic if it

has at least two alleles in a population.

When mating is __________, individuals choose their mates without regard for their genotypes and phenotypes.

random

A sexual dimorphism within a species can result from __________ selection

sexual

Select the events that may initiate directional selection.

the introduction of a new allele a prolonged change in the environment