Klinefelter syndrome is a genetic condition ... sex chromosome in the egg or the sperm may result in conditions such as ...

In addition, sex chromosomal abnormalities like Turner syndrome and Klinefelter syndrome may have an effect on physical and reproductive development. While some defects are inherited, many are ...

A genetic evaluation demonstrated Klinefelter syndrome 47, XXY karyotype with concurrent duplication of 3p21.31 by microarray analysis. Maternal genetic analysis demonstrated the same 3p21.31 ...