What is the Sex Chromosome Composition of a Person with Turner

Question

What is the sex chromosome composition of a person with Turner syndrome?  
A) XXX
B) XO
C) XXY
D) XYY
E) YY

Accepted Answer

Turner syndrome is a genetic condition that affects females and is caused by the absence of all or part of one X chromosome, resulting in a monosomy X karyotype (45,X). Therefore, the sex chromosome composition of a person with Turner syndrome is XO (having only one X chromosome).