Down’s syndrome is just one of many different types of learning disability .

Most people have two copies of chromosome 21, while those with three copies of chromosome 21 have Down’s syndrome. This is why we celebrate World Down’s Syndrome Day on 21 March each year.

chromosomes

The illustration above shows chromosomes. The one circled is chromosome 21. Most people have two copies of chromosome 21, some are born with three copies as pictured here. These chromosomes look like little socks! This is where the idea of Rock Your Socks came from.

If you’d like to find out more about Down Syndrome visit our learning disability explained webpage.