Which of the following is the best mutagen fo | vedclass

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(B) $UV$-rays are considered the most effective mutagens for microorganisms like bacteria and fungi. They are non-ionizing radiations that cause the f

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$UV$-rays

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(B) $UV$-rays are considered the most effective mutagens for microorganisms like bacteria and fungi. They are non-ionizing radiations that cause the formation of pyrimidine dimers (specifically thymine dimers) in the $DNA$ molecule. This leads to errors during $DNA$ replication,resulting in mutations. While $X$-rays and $\gamma$-rays are ionizing radiations and can also cause mutations,$UV$-rays are more commonly used in laboratory settings for inducing mutations in microbial cultures due to their specific action on $DNA$ and ease of application.

Which of the following is the best mutagen for microorganisms?

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