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6.1 Reproduction

6.1 Reproduction

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Question 21
H

The table shows the numbers of bases in one strand of a DNA fragment.

BaseNumber
A30
T18
C42
G30

What percentage of the bases in the whole double-stranded fragment are G?

[1]
A

15%

B

30%

C

25%

D

35%

Markscheme

6.1 Reproduction Questions

  1. GCSE
  2. /Biology
  3. /6.1 Reproduction

76 exam-style questions on AQA GCSE Biology 6.1 Reproduction, covering 6.1.1 Sexual and asexual reproduction, 6.1.2 Meiosis, 6.1.3 Advantages and disadvantages of sexual and asexual reproduction, 6.1.4 DNA and the genome, 6.1.5 DNA structure, 6.1.6 Genetic inheritance, 6.1.7 Inherited disorders, and 6.1.8 Sex determination. Each one has a worked solution and a mark scheme showing where the marks go.

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