Down syndrome

Down syndrome is usually caused by errors in cell division called “nondisjunction”

Every cell of the affected child have three copies of chromosome 21 instead of the usual two copies affecting about 95% of people.

Condition where child is born with an extra chromosome in some of the cells not all. It’s a rare form of down syndrome affecting about 2% of people. Video

It’s a type of condition where one of every cell has an extra piece of chromosome 21 attacks itself to another chromosome.

However, an additional full or partial copy of chromosome 21 attacks to another chromosome, usually chromosome 14. The presence of the full or partial chromosome 21 causes the characteristics of down syndrome.

Factors of down syndrome

– getting pregnant at older age of women age 35 and older

– previous pregnancy with fetus had down syndrome

Symptoms of down syndrome:

Down syndrome are often characterized as-

– head is flat and small

– tongue is too large

– eyes are slanted upward and white spots on the iris

– nose is small with flat nosal bridge

– hands are broad with short fingers

– Ears are short and odd in appearance

– poor muscle tone

– height and weight is usually below average

– delayed development will have

– learning disability

– slower skills to learn certain things as how to sit, stand, walk, talk

– late speech and language development

– hyperactivity disorder

-hyperthyroidism

– celiac disease and diseased eye condition are seen

– respiratory infection

– constipation

– dental problem