ZIMSEC A-Level Biology
6Inherited Change and Evolution
Overview
Form 5 (competency matrix 8.5: the gene and genetic crosses) and Form 6 (8.10: natural and artificial selection).
In this topic
Lessons
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Genes, proteins and phenotype
30 min
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Dihybrid inheritance
40 min
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Monohybrid inheritance and genetic diagrams
40 min
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Sex determination and sex linkage
35 min
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The chi-squared test in genetics
40 min
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Evolution and the formation of new species
40 min
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Gene mutations: types, effects and sickle cell anaemia
35 min
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Natural selection: stabilising, directional and disruptive
40 min
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Variation: genes, environment and the two types of variation
35 min
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Artificial selection: breeding crops and livestock
35 min
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Sample question
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