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The diagram shows the base sequence for a section of a gene and a mutated version of this section - Scottish Highers Human Biology - Question 5. - 2019
Question 5.
The diagram shows the base sequence for a section of a gene and a mutated version of this section. section of gene CGTATTCCTAGCCCTGAC mutated version CGTATATCTACC... show full transcript
Worked Solution & Example Answer:The diagram shows the base sequence for a section of a gene and a mutated version of this section - Scottish Highers Human Biology - Question 5. - 2019
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Answer
To determine the type of mutation in the given sequences, we can analyze the differences between the 'section of gene' and the 'mutated version'. In this case, we notice that the second base in the mutated version has changed from 'T' to 'A', indicating a change in one nucleotide.
This specific alteration represents a substitution mutation, where one base pair is replaced by another. Thus, the correct answer is C: a substitution mutation.