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Question 18M.1.SL.TZ2.21

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.1.SL.TZ2.21
Level SL Paper 1 Time zone TZ2
Command term Question number 21 Adapted from N/A
21.
[Maximum mark: 1]
18M.1.SL.TZ2.21

What reduces variation in a population?

A. Meiosis

B. Mutation

C. Natural selection

D. Sexual reproduction

[1]

Markscheme

C

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