Question

What is the karyotype of Turner's Syndrome?

Options

• 47, XYY

• 45, XO

• 47, XXX

• 47, XXY

Answer 1

Turner's Syndrome has a karyotype of 45, XO, representing monosomy X with only one functional X chromosome. It is the only monosomy compatible with life in humans. The condition affects females exclusively and occurs with an incidence of approximately 1 in 2,000-2,500 live female births.