The sex chromosome composition of a person with Turner syndrome is

Question

Quizplus · Accepted Answer

Turner syndrome is caused by the absence or partial absence of one X chromosome in females, resulting in a sex chromosome composition of XO (meaning only one X chromosome). Therefore, the correct answer is B, XO. A is incorrect because it describes Triple X syndrome; C is incorrect because it describes Klinefelter syndrome; and D is incorrect because it describes Jacobs syndrome.

The Sex Chromosome Composition of a Person with Turner Syndrome