An individual's karyotype lacks a homologous X chromosome and has only a single X chromosome present. Which statement is not true?
A. The karyotype is 45, X.
B. Features include ribbed neck and short stature.
C. The karyotype is 46, X.
D. The disorder is a sex chromosome aneuploidy.
C. The karyotype is 46, X
(this multiple choice question has been scrambled)