The correct option is D has 45 chromosomes with XO
Turner’s syndrome is a chromosomal disorder in human beings characterised by the absence of one of the X chromosomes in the females (45, XO).
The affected females are sterile with rudimentary ovaries and lack secondary sexual characters.
So, the correct answer is option A.
Triple X syndrome (47, XXX) is characterized by the presence of an additional X chromosome. The affected individuals are associated with an increased risk of learning disabilities and delayed development of speech and language skills (option B).