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Answered

Why is UVA light considered a mutagen?




It penetrates the skin and can cause mutations.


It can be prevented by wearing a protective vest.


It produces chemicals that can be inhaled.


It is found in synthetic dyes and cosmetics.

Verified Answer :

JcAlmighty

The answer is It penetrates the skin and can cause mutations.


An agent able to cause DNA mutations is called mutagen. UV light is the most common source of radiation that affects DNA, but it is a weak radiation and it penetrates only the surface cells of your skin. However, UVA radiation is considered as a mutagen because it penetrates deep into the skin and can cause mutations. 

Ans.

A mutagen is a physical or chemical agent that has potential to cause mutation. UVA (ultravoilet-A) rays are type of harmful radiation as these rays act as physical mutagens.

It penetrates upper (dermis) layer of skin and generates reactive oxygen species that cause mutation normal cells of individuals.

Thus, the correct answer is option). 'it penetrates the skin and can cause mutations.'

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