Which sentence describes a substitution mutation?

A. One or more nucleotides are added to a sequence.
B. One or more nucleotides are removed from a sequence.
C. A nucleotide is shared during bacterial conjugation.
D. A nucleotide is replaced with another nucleotide.



Answer :

Final answer:

A substitution mutation involves replacing one nucleotide with another, leading to genetic alterations.


Explanation:

Substitution mutation is the replacement of one nucleotide with another in the DNA. This type of mutation results in a single nucleotide being changed into a different nucleotide. Substitution mutations can have various effects, depending on the specific nucleotide change.


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