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Classification and evolution

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Question 7

Evolutionary relationships can be determined by comparing certain biological molecules between species.

Which option is commonly and correctly described as a source of molecular evidence for determining evolutionary relationships?

A

The amino acid sequence of ribosomal RNA

B

The base sequence of cytochrome c

C

The amino acid sequence of cytochrome c

D

The base sequence of collagen

Markscheme

Classification and evolution Questions

  1. A Level
  2. /Biology
  3. /Classification and evolution

22 exam-style questions on OCR A A Level Biology Classification and evolution. Each one has a worked solution and a mark scheme showing where the marks go.

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