Question

Question
Which statement is correct about a bottleneck event? (1 point)
Responses

A bottleneck event increases the population of a species permanently.
A bottleneck event increases the population of a species permanently.

A bottleneck event decreases the population of a species permanently.
A bottleneck event decreases the population of a species permanently.

A bottleneck event decreases the gene pool of a population.
A bottleneck event decreases the gene pool of a population.

A bottleneck event increases the gene pool of a population.
A bottleneck event increases the gene pool of a population.

Answer 1

A bottleneck event decreases the gene pool of a population.

Explanation: a bottleneck drastically reduces population size, causing loss of alleles and reduced genetic diversity even if population numbers later recover.