Genetic testing: any of a group of procedures used to identify gene variations associated with health, disease, and ancestry and to diagnose inherited diseases and disorders
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Human genetic disease: any of the diseases and disorders that are caused by mutations in one or more genes.
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Congenital disorder: abnormality of structure and, consequently, function of the human body arising during development.
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Heredity: the sum of all biological processes by which particular characteristics are transmitted from parents to their offspring.
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Genetics: study of heredity in general and of genes in particular. Genetics forms one of the central pillars of biology and overlaps with many other areas, such as agriculture, medicine, and biotechnology.
Read more: Britannica: Genetics