Down 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 chromosome 21.
Down syndrome occurs when an individual has a full or partial extra copy of
Down syndrome is a condition in which extra genetic material causes delays in
the way a child develops, both physically and mentally.
Down syndrome is a genetic disorder caused when abnormal cell division results
in extra genetic material from chromosome 21. This genetic disorder, which ...
5 days ago ... Down syndrome is a chromosomal condition that is associated with intellectual
disability, a characteristic facial appearance, and weak muscle ...
Jul 22, 2016 ... Down syndrome is a condition in which a person is born with an extra copy of
chromosome 21. People with Down syndrome can have physical ...
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
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 ...
Down syndrome is a lifelong condition in which a person is born with distinct
physical features and some degree of cognitive disability.
National Association for Down Syndrome ... 6th Annual Walk for Down in th. ...
The Heart of Illinois Down Syndrome Association, Inc. Presents Keep Calm and ...