Marker

Name:
Marker
Detailed information:
(1) Molecular weight size marker is a piece of DNA of known size, or a mixture of pieces with known size, used on electrophoresis gels to determine. by comparison, the size of unknown DNAs.(2) Genetic marker is a known site on the chromosome. It may for example be the site of a locus with some recognizable phenotype, or it may be the site of a polymorphism that can be experimentally discerned.