A trinucleotide repeat refers to:

A) a nucleotide that is made of three subunits: a sugar, a phosphate, and a nitrogenous base.
B) the same nucleotide repeating three times in a row.
C) a nucleotide that contains three bases.
D) a sequence of three nucleotides that repeats and can be involved in genetic diseases.


Answer: D

Biology & Microbiology

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