mDs fact file

25 Oct 2018 4:00 AM | Warren Leavens (Administrator)

People with mosaic Down syndrome have a mixture of cells. Some have two copies of chromosome 21, and some have three. Mosaic Down syndrome occurs in about 2 percent of all Down syndrome cases. People with mosaic Down syndrome often, but not always, have fewer symptoms of Down syndrome because some cells are normal.

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International Mosaic Down Syndrome Association

PO Box 321, Stow, MA 01775
1-855-IMDSA-21|  Email - President, Brandy Hellard
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