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IB Biology SL 1.3.7 Mutation as a source of variation Question Bank

Practise IB Biology SL 1.3.7 by explaining how mutation introduces variation and new alleles into populations.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Explain how a change in the genome can produce a new allele.
  • Identify mutation as a source of variation in sexually or asexually reproducing organisms.
  • Distinguish heritable genetic variation from changes caused by environment or exercise.

D1.3.7—Mutation as source of variation question 1

[Maximum number: 1]

Which process promotes variation in a population?

A

Mutation

B

Mitosis

C

Ageing in a population

D

Asexual reproduction

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