5 Facts About Down Syndrome

Chances are you know and love someone with Trisomy 21, better known as down syndrome. A trisomy means a person has an additional chromosome in their DNA.

Including You is brought to you by the Tuscarawas County Board of Developmental Disabilities.

March is Trisomy Awareness Month. There are several conditions that results from a trisomy, but today we’ll focus on Trisomy 21, or Down Syndrome. Below are five facts about down syndrome and people with down syndrome.

  1. An extra copy or partial copy of chromosome 21 causes Down syndrome.
  2. There are three types of Down Syndrome and Trisomy 21 accounts for 95% of cases. The additional types of Down syndrome are Translocation Down Syndrome and Mosaic Down Syndrome.
  3. Down syndrome occurs in every 1 of 700 babies, or 6,000 per year in the United States
  4. People with down syndrome attend school, work, vote, and have very meaningful relationships
  5. Each and every person with down syndrome possesses unique and wonderful characteristics!

While Trisomy 21 is the most common, Trisomy 18 occurs when there are three copies of chromosome 18. It is also known as Edward syndrome. Similarly, Trisomy 13, or Patau syndrome, happens when there are three copies of the 13th chromosome.

For more information about Trisomy 21 check out the CDC webpage https://www.cdc.gov/ncbddd/birthdefects/downsyndrome.html or visit Tusc BDD.

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