Multiple Choice
Which one of these processes describes the "bottleneck effect"?
A) chance events that change allele frequency
B) alleles transferred to the next generation in portions that differ from previous generation
C) transfer of alleles in and out of a population due to movement of fertile individuals
D) sudden change in environments that alters gene frequency of a population
Correct Answer:

Verified
Correct Answer:
Verified
Q4: Natural selection changes allele frequencies because some
Q22: Homozygotes with two sickle-cell alleles are selected
Q31: Genetic drift produces variation for evolution when
Q32: In a Hardy-Weinberg population with two alleles,
Q41: In some jacana species, males take care
Q42: Which statement about variation is true?<br>A) All
Q55: When imbalances occur in the sex ratio
Q57: An earthquake decimates a bandicoot population, killing
Q59: A large population of laboratory animals has
Q64: In a Hardy-Weinberg population with two alleles,