sequence tagged site (STS)A short DNA segment that occurs only once in the human genome and whose exact location and order of bases are known. Because each is unique, STSs are helpful for chromosome placement of mapping and sequencing data from many different laboratories. STSs serve as landmarks on the physical map of the human genome. Related category• GENETICS AND HEREDITYSource: National Human Genome Research Institute Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History |