95 What You Know So Far: Changes in Gene Pools 96 NCEA Style Question:

INDEX

Summarise what you know about this topic so far under the headings provided. You can draw diagrams or mind maps, or write short notes to organise your thoughts in preparation for the NCEA style essay question that follows. Use the points in the introduction and the hints provided to help you:

Factors affecting allele frequencies in gene pools HINT: List, include definitions, and state whether each factor increases or decreases genetic variation.

Genetic bottleneck (the bottleneck effect), founder effect, and genetic drift HINT: Explain these processes and their effect on allele frequencies.

Natural selection HINT: Include definition and examples of types of natural selection.

95 What You Know So Far: Changes in Gene Pools 96 NCEA Style Question:

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INDEX

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INDEX

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126 What You Know So Far: Genotype and Phenotype 127 NCEA Style Question:

122 A Case Study: Cystic Fibrosis

121 Effect of Substitution Mutation on Phenotype

119 Mutagens

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This article is from:

NCEA Level 2 Biology Externals