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6.2 Variation and evolution

6.2 Variation and evolution

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Question 1
F

A student picked 100 leaves from one oak tree. All of the leaves came from the same tree, so all of the leaves contain the same alleles. The student measured the length of each leaf.

Figure shows the student's results.

Figure: The number of leaves in each length group for 100 leaves picked from one oak tree

image

a.

Give the leaf length group that contained the most leaves.

[1]
b.

Calculate the percentage of the 100 leaves that were 7.0 cm or longer.

[2]
c.

All of the leaves contain the same alleles, but the leaves were not all the same length. Suggest one reason why.

[1]
Markscheme

6.2 Variation and evolution Questions

  1. GCSE
  2. /Biology
  3. /6.2 Variation and evolution

44 exam-style questions on AQA GCSE Biology 6.2 Variation and evolution, covering 6.2.1 Variation, 6.2.2 Evolution, 6.2.3 Selective breeding, 6.2.4 Genetic engineering, and 6.2.5 Cloning. Each one has a worked solution and a mark scheme showing where the marks go.

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