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3 years ago

A mutagen is

Biology

2 answers:

jarptica [38.1K]3 years ago

8 0

Answer:

the answer is B on edg 2020

Explanation:

Novay_Z [31]3 years ago

4 0

Answer: The correct answer is-

an agent that causes a mutation in DNA.

Mutagen is an agent or a substance that causes permanent change in the genetic material of living organisms ( DNA, deoxyribonucleic acid). This process is called mutation.

A mutagen can be a chemical, physical or biological agent that causes mutation in the DNA.

Example- Physical agents such as -

Ionizing radiations like alpha particles, gamma rays, X-rays that brings break in the DNA and cause other damages.

Ultraviolet radiations that creates pyrimidine dimers ( T=T) and causes replication errors if damage is not repaired.

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