Genetics and Evolution Quiz

What term describes the movement of genes into or out of a population?

• Gene flow

• Genetic drift

• Founder effect

• Bottleneck effect

Which term refers to the change of allele frequencies due to migration of a small subgroup of the population to a new habitat?

• Gene pool

• Founder effect

• Bottleneck effect

• Gene flow

What is the term for the change in allele frequencies due to a dramatic reduction in population size?

• Bottleneck effect

• Genetic drift

• Founder effect

• Disruptive

What is the term for a random change in allele frequency?

• Gene flow

• Genetic drift

• Founder effect

• Bottleneck effect

What type of selection occurs when phenotypes at both ends of the curve have higher fitness than individuals near the middle?

• Stabilizing

• Disruptive

• Directional

• Coevolution

What type of selection is it when individuals near the center of the curve have higher fitness than those on the ends?

• Stabilizing

• Disruptive

• Directional

• Coevolution

Which type of selection occurs when individuals at one end of the curve have higher fitness?

• Stabilizing

• Disruptive

• Directional

• Coevolution

What is a group of species that include a common ancestor and all descendants of that ancestor called?

• Population

• Clade

• Gene pool

• Coevolution

What consists of all genes present in a population?

• Gene flow

• Genetic drift

• Gene pool

• Founder effect

What term describes the number of times an allele occurs in a gene pool?

• Allele frequency

• Genetic drift

• Founder effect

• Bottleneck effect