Etiket - ninth chromosome

Trisomy 9

is a trisomy affecting the ninth chromosome. Full trisomy 9 would mean that all of the cells in the baby’s body and placenta had three copies of chromosome 9. It is also possible to have partial trisomy 9, meaning there are two full copies of the ninth chromosome plus an additional partial copy. A third type of trisomy 9 involves mosaicism, meaning that the trisomy is present in some of the body’s cells but other cells have a [...]

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