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Glossary Genetics / Term

dominant

A gene that almost always results in a specific physical characteristic, for example, a disease, even though the patient's genome possesses only one copy. With a dominant gene, the chance of passing on the gene (and therefore the disease) to children is 50-50 in each pregnancy.

Dr. Robert Nussbaum, of the National Human Genome Research Institute's Laboratory of Genetic Disease Research, defines dominant.

Related terms: gene, genome.

Permanent link dominant - Modification date 2020-01-16 - Creation date 2020-01-16


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