Baby are you down down down tell me if youre down down down

#Baby are you down down down tell me if youre down down down full

This mosaic of normal and abnormal cells is caused by abnormal cell division after fertilization. In this rare form of Down syndrome, a person has only some cells with an extra copy of chromosome 21. This is caused by abnormal cell division during the development of the sperm cell or the egg cell.

About 95 percent of the time, Down syndrome is caused by trisomy 21 - the person has three copies of chromosome 21, instead of the usual two copies, in all cells. Any one of three genetic variations can cause Down syndrome: This extra genetic material is responsible for the characteristic features and developmental problems of Down syndrome.

#Baby are you down down down tell me if youre down down down full

These cell division abnormalities result in an extra partial or full chromosome 21. One chromosome in each pair comes from your father, the other from your mother.Дown syndrome results when abnormal cell division involving chromosome 21 occurs. Human cells normally contain 23 pairs of chromosomes. Request an Appointment at Mayo Clinic Causes However, if you have any questions regarding your pregnancy or your child's growth and development, talk with your doctor. When to see a doctorД¬hildren with Down syndrome usually are diagnosed before or at birth.

Language is delayed, and both short and long-term memory is affected. Most children with Down syndrome have mild to moderate cognitive impairment. Infants with Down syndrome may be average size, but typically they grow slowly and remain shorter than other children the same age.

Tiny white spots on the colored part (iris) of the eye called Brushfield's spots.

Relatively short fingers and small hands and feet.

Broad, short hands with a single crease in the palm.

Upward slanting eye lids (palpebral fissures).

Though not all people with Down syndrome have the same features, some of the more common features include: Some people are healthy while others have significant health problems such as serious heart defects.Д¬hildren and adults with Down syndrome have distinct facial features. Each person with Down syndrome is an individual - intellectual and developmental problems may be mild, moderate or severe.