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5.1 Inheritance

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Question 53

Using the data, how many people living in France have a Y chromosome in their cells?

  • Males: 32 000 00032\,000\,00032000000
  • Females: 34 000 00034\,000\,00034000000

(These values are rounded to 2 significant figures.)

A

32 000 00032\,000\,00032000000

B

34 000 00034\,000\,00034000000

C

66 000 00066\,000\,00066000000

D

68 000 00068\,000\,00068000000

Markscheme

5.1 Inheritance Questions

  1. GCSE
  2. /Biology
  3. /5.1 Inheritance

97 exam-style questions on OCR GCSE Biology 5.1 Inheritance, covering 5.1.1 The genome, 5.1.2 Environment and phenotype, 5.1.3 Variants and mutations, 5.1.4 How genetic variants influence phenotype, 5.1.5 Asexual and sexual reproduction, 5.1.6 Haploid and diploid, 5.1.7 Meiotic cell division, 5.1.8 Single gene inheritance, 5.1.9 Predicting single gene crosses, 5.1.10 Sex determination, 5.1.11 Multiple gene inheritance, and 5.1.12 Development of our understanding of genetics. Each one has a worked solution and a mark scheme showing where the marks go.

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