| trisomy 21 |
three copies of chromosome 21, for a total of 47 chromosomes instead of the typical number, 46 chromosomes. More on Down syndrome...
Ãâó: www.medgen.ubc.ca/wrobinson/mosaic/glossary.htm
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|---|---|
| trisomy 21 s. |
Down s.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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