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Question 19M.1.SL.TZ1.23

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.1.SL.TZ1.23
Level SL Paper 1 Time zone TZ1
Command term Deduce Question number 23 Adapted from N/A
23.
[Maximum mark: 1]
19M.1.SL.TZ1.23

The DNA base sequences in a gene coding for a particular protein in four different species are shown. Locations where mutations have occurred resulting in changes to the base sequences are outlined in boxes.

[Source: © International Baccalaureate Organization 2019]

 

Which cladogram shows the most likely phylogenetic relationship between the four species, based on the data provided?

 

[1]

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D

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