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Chapter 21

Biology: How Life Works · 8 exercises

Problem 1

Differentiate between a phenotype and a genotype.

4 step solution

Problem 3

Define genetic variation.

3 step solution

Problem 6

Define evolution.

4 step solution

Problem 7

Describe what happens to allele and genotype frequencies under the Hardy- Weinberg equilibrium.

4 step solution

Problem 8

Name and describe the five assumptions of the Hardy-Weinberg equilibrium.

6 step solution

Problem 9

Given a set of allele frequencies, calculate genotype frequencies if the population is in Hardy-Weinberg equilibrium.

6 step solution

Problem 10

Name and describe the five mechanisms of evolution.

5 step solution

Problem 12

Explain bow a molecular clock can be used to determine the time of divergence of two species.

5 step solution

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