12.4-Mutations

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6 Terms

1
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point mutations

gene mutations involving one or few nucleotides

2
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three types of point mutation

insertion, deletion, substitution

3
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what two types of point mutations cause a frameshift mutation?

insertion and deletion

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why does frameshift mutation have its name?

because it changes the "reading frame" of tRNA

5
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what is a polyploidy?

condition where organism has extra set of chromosomes

6
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what is a mutagen?

agent that causes genetic mutation