genetic marker test
genetic-marker test. A medical method of testing tissue samples used in paternity and illegitimacy cases to de-termine whether a particular man could be the father of a child. • This test represents a medical advance over blood-grouping tests. It analyzes DNA and is much more precise in assessing the probability of paternity. — Abbr. GMT. See PATERNITY TEST. Cf. BLOOD-GROUPING TEST T; HUMAN-LEUKOCYTE ANTIGEN TEST.
