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Educational Resources
Linkage is the close association of genes or other DNA sequences on the same chromosome.
Educational Resources
Ancestry-informative markers are sets of polymorphisms for a DNA sequence found in different frequencies between populations from different geographical regions.
Educational Resources
A genetic map is a type of chromosome map that shows the relative locations of genes and other important features.
Educational Resources
Carrier screening is a genetic test performed on people who display no symptoms for a genetic disorder but may be at risk for passing it on to their children.
Staff
Dr. Douglas Stewart is an associate investigator in NHGRI's Center for Precision Health Research.
… Dr. Stewart studies phenotypes and genetic determinants of familial tumor-predisposition disorders. The goal of his work … Douglas Stewart, familial tumor-predisposition disorders, neurofibromatosis, …
Educational Resources
Newborn genetic screening is testing performed on newborn babies to detect a wide variety of disorders.
Fact Sheets
Genetic mapping offers evidence that a disease transmitted from parent to child is linked to one or more genes and clues about where a gene lies on a chromosome.