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Question 18M.1.SL.TZ2.12

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.1.SL.TZ2.12
Level SL Paper 1 Time zone TZ2
Command term Question number 12 Adapted from N/A
12.
[Maximum mark: 1]
18M.1.SL.TZ2.12

Some yeast genes can be replaced by human genes that then continue to produce the same human proteins in the yeast cells. Which statement helps to explain this evidence?

A. The DNA of yeast and humans is identical.

B. Yeast and humans have the same number of chromosomes.

C. The genetic code is universal.

D. Yeast and humans are both eukaryotes.

[1]

Markscheme

C

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