What is down syndrome?

We, as humans, have 23 different chromosomes and 2 copies of each. Down syndrome is when people have 3 copies of the 21st chromosome instead of 2.Most people with down syndrome have problems with understanding language so they have usually have speech delay ( where you have to wait for some time before a reply). They are also shorter and at a higher risk of obesity.

Read more at: http://en.wikipedia.org/wiki/Down_syndrome

It really is quite an intresting topic :)

that's spelled down syndrome. regrettably this is unsuitable. The subject grew to become into chanced on by johnathan down and named after him so it belongs to him giving the syndrome the appostrafy s. So it may well be Down's Syndrome yet all scientific text cloth will spell it without the s.

A condition in which a person is born with 47 instead of 46 chromosomes.

its a abnormally disorder from birth that some people unfortunately have, from a chromosome defect causing strange behavior . there face has a more broad profile and looks diffrent from ours

it is when a person is born with an extra chromosome

It is just autism. Like those "special ed" kids at school. They have down syndrome