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IB Biology HL D1.3.7 Mutation As Source of Variation Questions

Mutations are the original source of new alleles and genetic variation. Many are neutral or harmful, but the variation they produce supplies material for natural selection.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Explain how mutations produce new alleles and contribute to genetic variation in a population.

IB Biology HL D1.3.7 Mutation As Source of Variation Questions question 1

[Maximum number: 1]

What causes variation in both sexually and asexually reproducing organisms?

A

Mutations

B

Polygenic inheritance

C

Crossing over

D

Independent assortment

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