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Question

Most of the mutations occur due to

A
Certain chemicals
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B
Ionizing radiation
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C
Infrared radiation
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D
Ultraviolet radiation
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E
Random events
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Solution

The correct option is E Random events
Mutations are random events as they do not arise out of need for some new adaptation. Rather, the mutations that confer adaptive advantage to individuals are favroed by natural selection and those with negative or neutral effects are mostly maintained as recessive allele in the gene pool. Correct answer is E.

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