The genetic cause for Down syndrome is when a person inherits all or part of an extra copy of chromosome 21. Trisomy 21, the i

· Excessive ability to extend the joints

· Small skin folds on the inner corners of the eyes

· Excessive space between large and second toe

Some common words found in the essay are:
Syndrome Syndrome, Alpha-fetoprotein Plus, chromosome 21, Online Premium, people syndrome, inherits extra, copy chromosome, eyes ·, · excessive,
Approximate Word count = 629
Approximate Pages = 3 (250 words per page double spaced)