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CAIE IGCSE Biology 18.1.7 Mutation as the Source of New Alleles

Practise identifying mutation as the process that creates new alleles by changing genetic information.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • state that mutation is the way in which new alleles are formed
  • distinguish allele formation by mutation from selection acting on alleles already present
  • link a new DNA base sequence to a new version of a gene

18.1.7—Mutation is the way in which new question 1

[Maximum number: 1]

What is a way in which new alleles are formed?

A

artificial selection

B

mutation

C

natural selection

D

sexual reproduction

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