DP Biology (first assessment 2025)

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Question 23M.1A.SL.TZ1.36

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1A.SL.TZ1.36
Level SL Paper 1A Time zone TZ1
Command term Question number 36 Adapted from N/A
36.
[Maximum mark: 1]
23M.1A.SL.TZ1.36

What happens in the first division of meiosis?

A.  Formation of chiasmata where two sister chromatids join

B.  Exchange of chromatids between homologous chromosomes

C.  Exchange of DNA between non-sister chromatids of homologous chromosomes

D.  Formation of chiasmata between non-homologous chromosomes

[1]

Markscheme

C

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