Aneuploidy's defined as an abnormal number of chromosomes. Syndromes caused by an extra or missing chromosome are among the most widely recognized genetic disorders in humans. Different organisms have widely varying chromosome complements (see here) and thus the term "aneuploidy" doesn't refer to a particular number of chromosomes, but rather the situation in which the chromosome content within a given cell's abnormal. Chromosomes Every cell in the human body, apart from enucleated red blood ce… (More on Aneuploidy)