The author who recently wrote that when it comes to chromosomes, it is XX or XY, is mistaken. It could be, in rare cases, XXY. Have something on your mind? Send to [email protected] or click here to ...

For years, we’ve been taught that men have one X and one Y chromosome, with the Y carrying the vital gene that initiates male development. But now, scientists are sounding the alarm: the Y chromosome ...

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The chromosomes tell the truth. XX or XY. If you completed high school and paid attention, XX or XY. If you know the difference, thank a teacher. You can cut off or glue, weld, stitch, strap or cover ...