Question

Which is a point mutation?

Answer 1

Answer:

A mutation is a change or group of changes that occur in the genetic material of an organism. A point mutation is a type of mutation where a single nucleotide base is changed, inserted or deleted from DNA or RNA sequence. Point mutation occurs due to DNA replication, exposure to radiations like UV and X-rays, extreme heat and chemicals.

Answer 2

A mutation that causes a single nucleotide base change, insertion, or deletion of the  genetic material, that indicate DNA or RNA .

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