Klinefelter syndrome
Definition
Klinefelter syndrome is a chromosome disorder in males. People with this condition are born with at least one extra X chromosome.
Description
Klinefelter syndrome is a condition where one or more extra X-chromosomes are present in a male. Boys with this condition appear normal at birth. They enter puberty normally, but by mid-puberty have low levels of testosterone causing small testicles and the inability to make sperm. Affected males may also have learning disabilities and behavior problems such as shyness and immaturity and are at an increased risk for certain health problems.
Genetic profile
Chromosomes are found in the cells in the...
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