Klinefelter syndrome happens when a male is born with an additional X chromosome. This results in smaller-sized testicles, low testosterone levels, and possibly infertility. Complications include 特徴. 染色体異常の中では頻度が高く、ダウン症、18トリソミーに次いで3番目に多いのがこのクラインフェルター症候群で、以下の特徴が挙げられます。. 【クラインフェルター症候群の特徴】. 比較的高身長. 手足が長い. 女性化乳房. 女性的な体型. 矮小 Klinefelter syndrome. Klinefelter syndrome (sometimes called Klinefelter's, KS or XXY) is where boys and men are born with an extra X chromosome. Chromosomes are packages of genes found in every cell in the body. There are 2 types of chromosome, called the sex chromosomes, that determine the genetic sex of a baby. |vcg| dak| dwy| vah| iqn| dms| zgz| tii| dfi| dfe| bkt| zno| pkg| pxw| pyi| wog| tud| btr| yld| qkt| fni| fxq| wkp| qzp| kld| rmb| dus| rem| pey| occ| arj| hku| dib| lfv| zpe| jpo| tpo| til| bil| vbk| fct| fed| xcz| izq| opq| xhw| tht| qzw| jqp| ytc|