“In every cell in the human body there is a nucleus, where genetic material is stored in genes. Genes carry the codes responsible for all of our inherited traits and are grouped along rod-like structures called chromosomes.

“Typically, the nucleus of each cell contains 23 pairs of chromosomes, half of which are inherited from each parent. Down syndrome occurs when an individual has a full or partial extra copy of chromosome 21.

“This additional genetic material alters the course of development and causes the characteristics associated with Down syndrome. A few of the common physical traits of Down syndrome are low muscle tone, small stature, an upward slant to the eyes, and a single deep crease across the center of the palm – although each person with Down syndrome is a unique individual and may possess these characteristics to different degrees, or not at all.

“How Common is Down Syndrome?

“According to the Centers for Disease Control and Prevention, approximately one in every 700 babies in the United States is born with Down syndrome, making Down syndrome the most common chromosomal condition. About 6,000 babies with Down syndrome are born in the United States each year.” NDSS (From the National Down Syndrome Society.)

From the World Down Syndrome Day website, today: “Tuesday 21 March 2017 is the 12th anniversary of World Down Syndrome Day!

“Each year the voice of people with Down syndrome, and those who live and work with them, grows louder.

“Down Syndrome International encourages our friends all over the world to choose your own activities and events to help raise awareness of what Down syndrome is, what it means to have Down syndrome, and how people with Down syndrome play a vital role in our lives and communities.”

Learn more about Down Syndrome at the National Down Syndrome Society.

The following video is presented by Down Syndrome International. It’s a…”global video journey promoting inclusion of people with Down syndrome. “My Friends, My Community” features interviews with children from around the world talking about their lives, friendships and aspirations.”