Alterations in DNA that may indicate an increased risk of developing a specific disease or disorder.

Variations in DNA which lie close to the site of a disrupted gene. These markers may be used for tracking a condition in a family.

Segments of DNA with an identifiable physical location on a chromosome and whose inheritance can be followed. Markers are used to discover associations between genetic mutations and diseases.

A characteristic segment of DNA material that identifies a group of closely related individuals.

Harmless variations in the DNA which lie close to the site of a disrupted gene which may be used for tracking the condition through a family.

Alleles used as experimental probes to keep track of an individual, a tissue, a cell, a nucleus, a chromosome, or a gene.

Harmless variations in the DNA which lie close to the site of a disrupted gene. They can be used for ‘trackingâ€(tm) the inheritance of a condition in a family. search for Genetic markers