Trisomy 21

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by 17haywoodt
Last updated 5 years ago

Discipline:
Science
Subject:
Genetics
Grade:
4,7,8,9,10,11

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Trisomy 21

What isTrisomy 21

MYTH: Down syndrome is a rare disorder.TRUTH: Down syndrome is the most commonly occurring genetic condition. One in every 691 babies in the United States is born with Down syndrome, or approximately 6,000 births per year. MYTH: Most children with Down syndrome are born to older parents.TRUTH: Most children with Down syndrome are born to women younger than 35 years old simply because younger women have more children. However, the incidence of births of children with Down syndrome increases with the age of the mother.

A congenital disorder arising from a chromosome defect, causing intellectual impairment and physical abnormalities including short stature and a broad facial profile. It arises from a defect involving chromosome 21, usually an extra copy

MYTH: People with Down syndrome have severe cognitive delays.TRUTH: Most people with Down syndrome have cognitive delays that are mild to moderate. Children with Down syndrome fully participate in public and private educational programs. Educators and researchers are still discovering the full educational potential of people with Down syndrome.MYTH: Down syndrome is hereditary and runs in families. TRUTH: Down syndrome is hereditary in approximately 1% of all instances. In the other 99% of cases Down syndrome is completely random

Facts and Myths of Down Syndrome

Trisomy 21


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