an abnormal condition in which at least one extra X chromosome is present in a male: characterized by reduced or absent sperm production, small testicles, and in some cases enlarged breasts.
Klinefelter syndrome (KS) also known as 47,XXY or XXY, is the set of symptoms
that result from two or more X chromosomes in males. The primary feature is ...
Educational and support information about Klinefelter Syndrome/XXY and its
5 days ago ... Klinefelter syndrome is a chromosomal condition that affects male physical and
cognitive development. Its signs and symptoms vary among ...
What is Klinefelter syndrome? Klinefelter syndrome is a genetic disorder that
affects males. Klinefelter syndrome occurs when a boy is born with one or more ...
Klinefelter syndrome is found in about 1 out of every 500-1,000 newborn males.
The additional sex chromosome results from a random error during the ...
Oct 4, 2016 ... Klinefelter syndrome is a genetic condition that results when a boy is born with an
extra copy of the X chromosome. Klinefelter syndrome is a ...
Oct 4, 2016 ... Klinefelter syndrome is a genetic disorder that results when a male is born with
an extra copy of the X chromosome. Learn about diagnosis and ...
Sep 29, 2016 ... Today, the term Klinefelter syndrome (KS) refers to a group of chromosomal
disorders in which the normal male karyotype, 46,XY, has at least ...