A stretch of fluorescent single-stranded DNA used to detect the presence of a specific DNA sequence by complementary pairing to it is called a

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Quizplus · Accepted Answer

A DNA probe is a fragment of DNA or RNA of variable length (usually 100-1000 bases long) which can be radioactively or fluorescently labeled and used in DNA or RNA samples to detect the presence of nucleotide sequences (the DNA target) that are complementary to the sequence in the probe.

A Stretch of Fluorescent Single-Stranded DNA Used to Detect the Presence