Klinefelter Syndrome

By: Van Shaver


Klinefelter boys are weaker and less coordinated. As they grow older they become taller than average. When puberty sets in, they develop slight gynecomastia and broader hips. They are less muscular and have less facial hair.


Nondisjunction occurs in a cell during Meiosis 1 where an X does not fail to separate in a sex cell. This causes an extra X chromosome in a male. This causes female traits, such as the ones listed above.,

Famous People WIth Klinefelter


"Klinefelter Syndrome." Wikipedia. Wikimedia Foundation, 11 Nov. 2014. Web. 13 Nov. 2014.

Reporter, Daily Mail. "The Little Boy with Rare Genetic Disorder Who Fought for 20 Years to Be a Woman." Mail Online. Associated Newspapers, 12 Jan. 2011. Web. 13 Nov. 2014.

"President George Washington : Health & Medical History." President George Washington : Health & Medical History. N.p., n.d. Web. 13 Nov. 2014.

"Transgender, Transsexual, Gender Identity, Gender Diversity." Polare 29: Klinefelter's Syndrome. N.p., n.d. Web. 13 Nov. 2014.