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Tag Archives: how many copies of chromosomes for Trisomy 9?


WHAT IS TRISOMY 9? Trisomy 9 is a chromosomal disorder that occurs when there are extra copies of chromosome 9 in the cells of the body. Chromosomes are structures that contain genetic information. The typical human cell has 46 chromosomes arranged in 23 pairs. In cases of trisomy 9, individuals have three copies of chromosome… Read More »

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