Individual Variation: Mutations Flashcards by Mia S | Brainscape

Q

What is a mutation?

A

a sudden alteration in the genetic makeup of an organism

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Q

What type of mutations contribute to the variation of individuals in a species, specifically in biological evolution?

A

gametic mutations known as germ-line mutations

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Q

How do germ-line mutations occur?

A

changes in the base sequences of DNA
or whole chromosomes may be deleted or duplicated

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