Mutations & Melanin IV

Front

What is a mutation?

Back

A change in the DNA sequence.

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What are the types of mutations?

Back

Substitution, insertion, and deletion.

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What is melanin?

Back

A pigment that gives skin, hair, and eyes their color.

Front

How do mutations affect melanin production?

Back

Mutations can alter the amount or type of melanin produced, affecting pigmentation.

Front

What is the role of melanin in the body?

Back

Melanin protects against UV radiation and contributes to the color of skin, hair, and eyes.

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What can cause mutations?

Back

Mutations can be caused by environmental factors, errors during DNA replication, or inherited from parents.

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How can mutations be beneficial?

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Some mutations can provide advantages, such as increased resistance to diseases.

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What is a substitution mutation?

Back

A mutation where one base pair is replaced by another.

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What is an insertion mutation?

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A mutation where extra base pairs are inserted into a new place in the DNA sequence.

Front

What is a deletion mutation?

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A mutation where a section of DNA is lost or deleted.