A 25-year-old woman has a workup for infertility. She has ne…

A 25-year-old woman has a workup for infertility. She has never experienced menarche, i.e., she has never menstruated. On physical examination, she is short, with a broad chest and a webbed neck. She has normal intelligence. A blood sample is obtained for chromosome analysis. Which of the following karyotypes is she most likely to have?