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Classification and reclassification: genetic evidence

Quiz by Oak National Academy: GCSE Combined Science OCR Foundation

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6 questions
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  • Q1
    The model shown in the diagram is an evolutionary ...
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    30s
  • Q2
    According to this evolutionary tree, which two organisms are most closely related?
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    B and C
    D and E
    A and B
    C and D
    30s
  • Q3
    Which branching point, P, Q, R or S, shows the most recent common ancestor of species A, B, and C?
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    S
    R
    P
    Q
    30s
  • Q4
    Which species is most closely related to species G?
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    I
    H
    J
    30s
  • Q5
    How many differences are there between the gene sequence of species G and that of species J?
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    30s
  • Q6
    Which evolutionary tree shows the relationship between the species shown in the table?
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    30s

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