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Question 18M.1.SL.TZ1.23

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.1.SL.TZ1.23
Level SL Paper 1 Time zone TZ1
Command term Question number 23 Adapted from N/A
23.
[Maximum mark: 1]
18M.1.SL.TZ1.23

The cladogram was constructed using DNA base sequences from six species. Which node indicates the greatest difference in base sequences?

[Source: © International Baccalaureate Organization 2018]

[1]

Markscheme

A

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