DP Biology (first assessment 2025)

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Question 23M.1A.SL.TZ2.12

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1A.SL.TZ2.12
Level SL Paper 1A Time zone TZ2
Command term Question number 12 Adapted from N/A
12.
[Maximum mark: 1]
23M.1A.SL.TZ2.12

At what stage of meiosis do chromosome pairing and crossing over occur?

A.  Interphase

B.  Prophase 1

C.  Metaphase 1

D.  Prophase 2

[1]

Markscheme

B

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