Down syndrome or Down's syndrome (DS or DNS), also known as trisomy 21, is
a genetic disorder caused by the presence of all, or part of a third copy of ...
Down syndrome occurs when an individual has a full or partial extra copy of
Down syndrome is a genetic disorder caused when abnormal cell division results
in extra genetic material from chromosome 21. This genetic disorder, which ...
In most cases, Down syndrome occurs when there is an extra copy of
chromosome 21. This form of Down syndrome is called trisomy 21. The extra
National Association for Down Syndrome ... More than Down Syndrome Fall 2. ...
children, teens and adults with Down syndrome to participate in the National ...
Down syndrome is a lifelong condition in which a person is born with distinct
physical features and some degree of cognitive disability.
Mar 3, 2016 ... Down syndrome is a condition in which a person has an extra chromosome.
Chromosomes are small “packages” of genes in the body. Babies ...
International federation of Down Syndrome organizations, seeking funds to assist
people with Down syndrome in less developed countries.
Jul 4, 2016 ... Down syndrome is a chromosomal disorder caused by an error in cell division
that results in an extra 21st chromosome. The condition leads to ...
People who have Down syndrome have learning difficulties, mental retardation, a
characteristic facial appearance, and poor muscle tone (hypotonia) in infancy.