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3.4 Variation and the Human Genome Project

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Question 14
F

Researchers study 500 mutations. Of these, 460 have no effect on phenotype and 35 have a small effect. The remaining mutations have a significant effect.

What percentage of the mutations have a significant effect?

[1]
A

1%1\%1%

B

5%5\%5%

C

7%7\%7%

D

8%8\%8%

Markscheme

3.4 Variation and the Human Genome Project Questions

  1. GCSE
  2. /Biology
  3. /3.4 Variation and the Human Genome Project

40 exam-style questions on Edexcel GCSE Biology 3.4 Variation and the Human Genome Project, covering 3.4.1 Causes of variation, 3.4.2 Outcomes of the Human Genome Project, 3.4.3 Genetic variation within a population, and 3.4.4 Effects of genetic mutations on phenotype. Each one has a worked solution and a mark scheme showing where the marks go.

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