10.3 Gene pools and speciation

3 Exercises

1. Complete these definitions

Allele frequency is defined as

Gene pool is defined as

2. Complete the sentence

Evolution involves a ……………………………………in ………………….. …………………………………. in a population’s…………………………………………. over a number of generations.

3. Discuss the definition of the term species

4. Complete the table to describe three examples of barriers between gene pools.

Barrier

Description

5. Explain what polyploidy is and how it can contribute to speciation.

6. Describe Allopatric and sympatric speciation

7. Outline the process of adaptive radiation.

8. Compare convergent and divergent evolution.

9. Discuss the ideas of gradualism and punctuated equilibrium and how well they fit with the available evidence.

10. Describe an example of transient polymorphism

11. Describe how sickle anemia is an example of balanced polymorphism

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HL Topic 10 Genetics Copyright © by Alex Black. All Rights Reserved.

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