Dominant Gene

The gene that always expresses itself over a recessive gene recessive gene: The gene that does not express itself when a dominant gene is present. A person with a recessive gene for a disease does not have the symptoms of the disease, but can pass the disease on to children. If a person inherits a recessive gene for a disease from both parents, they may get the disease. . A person with a dominant gene for a disease has the symptoms of the disease. They can pass the disease on to children.