defined:

A piece of labeled DNA or RNA or an antibody used to detect the function of a gene.

explained:

Listen to a detailed explanation. (Requires the free RealPlayer download)

Dr. Richard Morgan, formerly of the National Human Genome Research Institute's Clinical Gene Therapy Branch, defines probe.

related
terms:

deoxyribonucleic acid (DNA), ribonucleic acid (RNA), antibody, gene

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