There are four sex-linked chromosomal disorders listed in the text: Klinefelter syndrome,fragile X syndrome,Turner syndrome,and XYY syndrome.Describe two of these disorders.

Klinefelter syndrome is a genetic disorder in which males have an extra X chromosome,making them XXY instead of XY.Males with this disorder have undeveloped testes and they usually have enlarged breasts and become unusually tall.Turner syndrome is a chromosome disorder in females in which either an X chromosome is missing,making the person XO instead of XX,or the second chromosome is partially deleted.These females are short in stature and have a webbed neck.They might be infertile and have difficulty in mathematics but their verbal ability is often quite good.