genetic carrier


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ge·net·ic car·ri·er

a person heterozygous for a mutant allele that, in homozygous form, causes a recessive condition.

genetic carrier

a person who carries an allele without exhibiting its effects. Such an allele is usually recessive, but it may also be dominant and latent, with symptoms that do not appear until adulthood.

genetic carrier

One whose chromosomes contain a pathological gene that may be transmitted to offspring. In some cases, e.g., Tay-Sachs disease, this condition can be detected prenatally by a laboratory test done on amniotic fluid.
See also: carrier

genetic carrier

See CARRIER.
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References in periodicals archive ?
The couple also discovered they are genetic carriers of the condition, and were relieved when, two years later, scans showed Andrew was free of the condition.
PRAGUE -- Genetic carriers of familial adenomatous polyposis can now decrease their risks of conceiving an affected child by using preimplantation genetic diagnosis, Stephane Viville, Ph.
Facts about Duchenne Muscular Dystrophy:# DMD is a genetic disorder that causes progressive muscle wasting in children; # DMD almost exclusively affects boys while females tend to be genetic carriers of the disease; # Symptoms such as frequent trips and falls and leg pain usually start when the sufferer is about four; # Sufferers then lose the ability to walk between the ages of seven and 12; # There is no known cure and sufferers usually die in their early 20s because of heart and lung problems; # Two boys are born with the disease each week in the UK.
These genetic carriers suffer disease symptoms only under extreme environmental stress.
Scientists have discovered the molecular defect thought to cause cystic fibrosis in white blood cells, a finding that may provide a laboratory model for studying this lethal genetic disease and lead to a screening test for genetic carriers.