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4.2 Evidence for evolution and classification

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Question 21
F

The table compares the same length of DNA from three organisms.

Table

PairNumber of different bases
P and Q6
P and R21
Q and R19

Which statement is supported by the results?

[1]
A

P is closest to Q; R is closer to Q than to P

B

P is closest to Q; R is closer to P than to Q

C

P is closest to R; R is closer to P than to Q

D

P is closest to R; R is closer to Q than to P

Markscheme

4.2 Evidence for evolution and classification Questions

  1. GCSE
  2. /Biology
  3. /4.2 Evidence for evolution and classification

45 exam-style questions on Edexcel GCSE Biology 4.2 Evidence for evolution and classification, covering 4.2.1 Fossil evidence for human evolution, 4.2.2 Stone tool evidence for human evolution, 4.2.3 Pentadactyl limb as evidence, and 4.2.4 Three domains classification. Each one has a worked solution and a mark scheme showing where the marks go.

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