CAIE A-Level Biology A2 16.1.7 Genetic Variation in Meiosis Questions
Explain genetic variation produced during meiosis using evidence from each question and mark scheme.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- A2
Exam points
- Explain genetic variation produced during meiosis.
CAIE A-Level Biology A2 16.1.7 Genetic Variation in Meiosis Questions question 1
[Maximum number: 2]
Within a population, the variation for one characteristic is usually the result of genetic and environmental causes.
Meiosis is one source of genetic variation.
Explain how independent assortment of homologous chromosomes leads to genetic variation during meiosis I.
any 2 of:
1 (homologous chromosomes / bivalents) line up randomly on the, equator / metaphase plate ;
2 produces (many) different chromosome combinations ;
3 number of possible combinations is 2n;
4 new combinations of maternal and paternal alleles ;
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