Down Syndrome vs. No Down Syndrome

46 chromosomes

Down Syndrome

No Down Syndrome

Normal mental and physical development.

Normal hand crease on their palms.

2 copies of chromosome 21.

Normal facial features

Infections heal or clear up in a normal amount of time.

Normal risk of developing Leukemia.

47 Chromosomes

Delays in mental and physical development.

Simian hand crease on both palms.

3 or an Extra copy of chromosome 21.

Distinct facial features

Infections last longer than normal

Higher risk of developing Leukemia.

Takes a certain
amount of time to
develop normal skills.


Not all children
will develop skills
at the same time

Both