"Turner's Syndrome" is:

Explanation

"Turner's Syndrome" is typically characterized by the karyotype XO, meaning individuals with this condition have only one X chromosome and are missing one X chromosome (the usual female configuration is XX). Here's an explanation of each of the options you provided:1. XX: This is the normal karyotype for a typical female, not associated with Turner's Syndrome.2. XXX: This represents a condition called Triple X Syndrome, where individuals have an extra X chromosome. It is not Turner's Syndrome.3. XO: This is the correct answer. Turner's Syndrome is characterized by a karyotype of XO, indicating the absence of one X chromosome.4. XYY: XYY Syndrome is a different genetic condition in which individuals have an extra Y chromosome. It is not associated with Turner's Syndrome.5. XXY: Klinefelter Syndrome is characterized by a karyotype of XXY, where individuals have an extra X chromosome and at least one Y chromosome. It is a different condition and not Turner's Syndrome.