linkage marker

link·age mark·'er

a locus at which there is a high probability of heterozygotes (indispensible state for linkage analysis), but in itself perhaps of no clinical interest.
See also: marker locus.

link·age mark·er

(lingk'ăj mahr'kĕr)
A locus at which there is a high probability of heterozygotes (indispensible state for linkage analysis), but in itself perhaps of no clinical interest.
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References in periodicals archive ?
We performed linkage scans for erythrocyte element concentrations on 501 DZ twin pairs with phenotypic data and linkage marker data.
Unlike other methods of PGD, IdentifySGD uses a combination of single nucleotide polymorphism (SNP) linkage markers and direct mutation analysis, when possible, to make a diagnosis of a disorder in an embryo.