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A sequence-tagged site (or STS) is a short (200 to 500 base pair) DNA sequence that occurs but once in a genome and whose location and base sequence are known.
STSs can be detected by the polymerase chain reaction (PCR), and are useful for localizing and orienting the mapping and sequence data reported from many different laboratories. They also serve as landmarks on the developing physical map of a genome. They are used in shotgun sequencing.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Sequence-tagged_site". A list of authors is available in Wikipedia.|