One cause of the genetic disease phenylketonuria (PKU) is a mutation in a gene, which causes all the codons after the mutation change - Scottish Highers Biology - Question 4 - 2023
Question 4
One cause of the genetic disease phenylketonuria (PKU) is a mutation in a gene, which causes all the codons after the mutation change.
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Worked Solution & Example Answer:One cause of the genetic disease phenylketonuria (PKU) is a mutation in a gene, which causes all the codons after the mutation change - Scottish Highers Biology - Question 4 - 2023
Step 1
Identify the type of mutation
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Answer
The mutation described is a type of mutation that alters the reading frame of the genetic code. This occurs because the change in one or more nucleotides causes all subsequent codons to be shifted. Hence, the correct answer is D: frame-shift mutation.
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