Definition

The 49 XXXXX syndrome (also called as Penta X or pentasomy X) is a chromosomal condition that affects females. In a normal setup, females have only two X chromosomes and anything beyond this is abnormal. In the case of Penta X syndrome, there are an additional three X chromosomes which now totals five. The three additional X chromosomes are the ones that cause multiple problems. These extra X chromosomes are formed together with the two healthy chromosomes inside the nucleus of the human body cells.

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Symptoms

There are no known environmental factors or even age factors that cause the Penta X syndrome. This condition is actually a result of some errors during reproductive cell division in one of the two parents. All other information pertaining to it is limited as there are only a few studies about this chromosomal abnormality.

Causes