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Edexcel A-Level Biology AS 3.10 Meiosis and Genetic Variation Questions

Track homologous chromosomes and chromatids through the diagram, name the correct meiotic event and connect new allele combinations to variation in gametes.

Syllabus
First assessment 2019
Course
Biology YBI11
Level
AS

Exam points

  • Explain crossing over between non-sister chromatids at chiasmata in prophase I.
  • Explain independent assortment through random homologous-pair orientation at metaphase I.
  • Complete chromosome or gamete diagrams with the correct chromosome and chromatid number.

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