Down syndrome is a condition in which a
person has an extra chromosome. People with Down
syndrome usually have an IQ (a measure of intelligence) in
the mildly-to-moderately low range and are slower to speak
than other children.
Down syndrome is a condition in which a
person has an extra chromosome. People with Down
syndrome usually have an IQ (a measure of intelligence) in
the mildly-to-moderately low range and are slower to speak
than other children.