AP BIOLOGY

THE MOLECULAR BASIS OF INHERITANCE

GENE MUTATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following are known mutagens?
A
Ultra Violet radiation
B
Viruses
C
Some chemicals and toxins like those found in tobacco smoke and vape juice.
D
All of these are known mutagens.
Explanation: 

Detailed explanation-1: -Examples of mutagens include radioactive substances, x-rays, ultraviolet radiation, and certain chemicals.

Detailed explanation-2: -Some of the common examples of mutagens are-UV light, X-rays, reactive oxygen species, alkylating agents, base analogs, transposons, etc.

Detailed explanation-3: -The most commonly used chemical mutagens are alkylating agents such as ethylmethane sulfonate and N-methyl-N-nitrosourea that induce point mutations in DNA.

Detailed explanation-4: -Types of Mutagens Mutagens can be classified into 3 types based on their origin. They are as follows: Physical mutagens: These include ionizing radiation, such as X-rays, gamma rays and alpha particles. Ultraviolet radiations can also behave as potential mutagens.

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