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3.4 Variation and the Human Genome Project

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Question 13

A genetic testing service reviews records from 1,500 people who were referred because an inherited disorder was suspected. Of these people, 18% were diagnosed with the disorder. An allele associated with the disorder was found in 40% of the people who were diagnosed.

How many of the people diagnosed with the disorder did not have the associated allele?

[1]
A

162162162

B

600600600

C

108108108

D

270270270

Markscheme

3.4 Variation and the Human Genome Project Questions

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

96 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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