Down Syndrome 3

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a different chromosome. The second, called mosaic Down syndrome, results when only some cells in the body have the extra chromosome. There is no cure for Down syndrome although prenatal tests are available to identify fetuses with the disorder.
Down syndrome can be diagnosed just by looking at the baby at birth. The facial features and characteristics can tell you that. If the attending physician suspects Down syndrome, a karyotype – a blood or tissue sample stained to show chromosomes grouped by size, number, and shape – will be performed to verify the diagnosis. The most familiar physical traits of Down syndrome include:
· Low muscle tone
· Flat facial profile
· Upward slant to the eyes
· Abnormal shape and small size of the ears
· Single deep crease across the center of the palm
· Excessive ability to extend the joints
· Fifth finger has one bending joint instead of two
· Small skin folds on the inner corners of the eyes
· Excessive space between large and second toe
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