CAIE IGCSE Biology 18.1.10 Sources of Genetic Variation
Practise identifying mutation, meiosis, random mating and random fertilisation as sources of genetic variation.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- state mutation and meiosis as sources of genetic variation in populations
- identify random mating and random fertilisation as additional sources of genetic variation
18.1.10—Mutation, meiosis, random mating question 1
[Maximum number: 2]
Mutation causes formation of new alleles which increases genetic variation.
State two other sources of genetic variation in populations.
1
2
any two from:
meiosis ;
random mating / cross pollination / crossbreeding ; random fertilisation ;
AVP ;;
e.g., immigration
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