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Cambridge IGCSE Biology practice

What is a gene mutation?

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MCQ

Type

cambridge_mcq

Style

Topic

Variation

Exam-style question

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What is a gene mutation?.

  1. A.A change in the DNA base sequence that happens randomly
  2. B.A deliberate change in the DNA sequence
  3. C.A change in the number of chromosomes
  4. D.A change in the cell membrane structure

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Description

Gene Mutation

Gene mutation involves changes in the sequence of bases in DNA that occur randomly.

  1. a

    Describe what is meant by a gene mutation?

    Aim for approximately 2 distinct marking points.

    [2]