ZIMSEC O-Level Biology
8.8.1Chromosomes and genes
Chromosomes and genes in ZIMSEC O-Level Biology: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic22 practice questions1 lesson
Overview
Form 3.
Learning objectives
What the syllabus expects you to be able to do.
- 8.8.1.1Describe chromosomes as made of DNA carrying genes, and use the terms allele, dominant, recessive, genotype, phenotype, homozygous and heterozygous.
Lessons
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Chromosomes, genes and alleles
20 min
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Sample question
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