defined:

Oligonucleotide, short sequence of single-stranded DNA or RNA. Oligos are often used as probes for detecting complementary DNA or RNA because they bind readily to their complements.

explained:

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

Dr. John Carpten, formerly of the National Human Genome Research Institute's Laboratory of Cancer Genetics, defines oligo.

related
terms:

deoxyribonucleic acid (DNA), ribonucleic acid (RNA)

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