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This quiz contains 9 questions from a mix of 1 subtopics.
Which type of gene mutation involves the one base being replaced by another?
insertion
deletion
substitution
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Gene mutations are changes in the base sequence.
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Which of the following definitions best describes a substitution mutation?
a swap of one chromosome for another
an addition or deletion of a base from a DNA sequence
a replacement of one base for another in a DNA sequence
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Many substitution mutations have no effect on the amino acid sequence because the genetic code is .
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Which of the following best describes a deletion mutation?
a loss of one of the chromosomes
a loss of one or more bases from the DNA sequence
a replacement of one base for another
an addition of one or more bases into the DNA sequence
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Deletions cause all bases after the mutation to change, also known as a .
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Which of the following best describes an insertion mutation?
the presence of an extra chromosome
a loss of one or more bases from the DNA sequence
an addition of one or more bases into the DNA sequence
a replacement of one base for another
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Which of the following gene mutations are likely to cause a framsehift?
(Select all that apply)
insertion
substitution
deletion
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Name three types of gene mutations.
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