A member asked:

Why do all people with down syndrome have similar facial features?

A doctor has provided 1 answer

Chromosome influence: The size ; shape of the skull ; facial features of Down syndrome patients is heavily influenced bu the effect of the extra chromosome present in every cell of the body.The same goes for eyes, hands ; feet all of which require a lot of decoding during formation to produce the structures. Many other chromosome defects produce some common features to those born with the abnormality.

Answered 2/18/2015

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Related Questions

A member asked:

Is broad nose a common feature of people with down's syndrome?

A doctor has provided 1 answer