Which of the following is common to these four chromosomal abnormalities: Turner syndrome, Poly-X syndrome, Klinefelter syndrome, and Supermale syndrome?

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All four conditions involve an abnormal number of sex chromosomes, rather than the typical XX or XY configurations. Turner syndrome is characterized by a single X chromosome (45,X), Poly-X syndrome by more than two X chromosomes (e.g., XXX), Klinefelter syndrome by at least two X chromosomes and one Y chromosome (e.g., XXY), and Supermale syndrome by the presence of an extra Y chromosome (e.g., XYY).

Which of the Following Is Common to These Four Chromosomal