Dictionary

genetic marker

noun

Definition of GENETIC MARKER

:  a readily recognizable genetic trait, gene, DNA segment, or gene product used for identification especially when closely linked to a trait or genetic material that is difficult to identify

First Known Use of GENETIC MARKER

1950

genetic marker

noun    (Medical Dictionary)

Medical Definition of GENETIC MARKER

:  a readily recognizable genetic trait, gene, DNA segment, or gene product used for identification purposes especially when closely linked to a trait or to genetic material that is difficult to identify—called also marker

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