Errors in DNA replication can give rise to mutations. The graph shows the estimated mutation rate in four groups of primates. Describe two conclusions that can be made about the mutation rate in these four groups of primates. (2) ........................................................................................................................................................................................................................................................................... .. ................................................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................................................ ........................................................................................................................................................................................................................................................................... .. ................................................................................................................................................................................................................................................................................ ................................................................................................................................................................................................................................................................................

Biology
IGCSE&ALevel
EDEXCEL
Exam No:wbi11-01-que-20240508. Year:2024 Question No:(c)

Answer:

A description that makes reference to two of the following points:
- mutation rate in prosimians is the highest (1)
- (overall) as the age when breeding starts increases, the mutation rate decreases (1)
- age when breeding starts does not affect mutation rate in apes (only) (1)
- age when breeding starts affects mutation rate in old world monkeys (only) (1)
- mutation rates within each group are very close together except prosimians (1)

Knowledge points:

CH2 – Membranes, Proteins, DNA and Gene Expression

Solution:

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