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Fixing a few things, so it doesn't seem to imply that genes are diseases.
A '''Dominant gene''' is 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.
A '''Dominant gene''' is a gene that almost always results in a specific physical characteristic, for example, a hereditary disease, even though the patient's genome possesses only one copy. With a dominant gene, the chance of passing on the gene to children is 50-50 in each pregnancy.
[[Category:Genetics]]
[[Category:Genetics]]