Each person inherits 23
chromosomes from each parent and so has 23 pairs of chromosomes. Each
genes. One or both of the chromosomes in a pair may
contain a changed (mutated) gene that could cause a genetic disease. In an
autosomal recessive disease, both chromosomes in a pair
must have a changed gene for the person to have the disease. If only one
chromosome has a changed gene, the person is a
carrier and does not have symptoms.
both parents carry the gene change, there is a:
25% chance in each pregnancy that their child
will inherit the changed gene from each parent (two genes) and have the
50% chance in each pregnancy that their child will receive
one changed gene and be a carrier.
25% chance in each pregnancy
that their child will not receive the changed gene and be neither a carrier nor
have the disease.
If only one parent carries the gene change, there is a 50% chance in
each pregnancy that the child will:
Receive the changed gene and be a
Not receive the changed gene and be neither a carrier nor
have the disease.
If neither parent carries the gene change, the child will not have
this type of disease.
Individual and family medical and dental insurance plans are insured by Cigna Health and Life Insurance Company (CHLIC), Cigna HealthCare of Arizona, Inc., Cigna HealthCare of Illinois, Inc., and Cigna HealthCare of North Carolina, Inc. Group health insurance and health benefit plans are insured or administered by CHLIC, Connecticut General Life Insurance Company (CGLIC), or their affiliates (see a listing of the legal entities that insure or administer group HMO, dental HMO, and other products or services in your state). Group Universal Life (GUL) insurance plans are insured by CGLIC. Life (other than GUL), accident, critical illness, hospital indemnity, and disability plans are insured or administered by Life Insurance Company of North America, except in NY, where insured plans are offered by Cigna Life Insurance Company of New York (New York, NY). All insurance policies and group benefit plans contain exclusions and limitations. For availability, costs and complete details of coverage, contact a licensed agent or Cigna sales representative. This website is not intended for residents of New Mexico.
Selecting these links will take you away from Cigna.com to another website, which may be a non-Cigna website. Cigna may not control the content or links of non-Cigna websites. Details