mosaic Down syndrome

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Andrew Jackson delivering a speech while on his way to Washington, D.C., for his inauguration in 1829. From Harper's Weekly, 1881.

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mosaic Down syndrome

pathology

Learn about this topic in these articles:

types of Down syndrome

In Down syndrome: Types of Down syndrome
In mosaic Down syndrome, a rare form of the disorder, only some of an individual’s cells contain a third copy of the chromosome. Because there are some cells that retain the normal 46 chromosomes, certain aspects of the disorder, such as intellectual disability, are not as…
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