ページの作成:「<br>What is XYY syndrome? Most people have 46 chromosomes in each cell. In males, this typically includes one X chromosome and one Y chromosome (XY). XYY syndrome is a ge…」
(ページの作成:「<br>What is XYY syndrome? Most people have 46 chromosomes in each cell. In males, this typically includes one X chromosome and one Y chromosome (XY). XYY syndrome is a ge…」)