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Question

In gene mutations, when a purine is substituted by another purine it is called:

A
Transformation
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B
Translocation
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C
Transduction
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D
Transition
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Solution

The correct option is D Transition
In genetics, a transition is a point mutation that changes a purine nucleotide to another purine (A-G) or a pyrimidine nucleotide to another pyrimidine (C-T).
Thus, the correct answer is "Transition".

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