Clinical presentations of a woman allowed provisionally diagnosing her with X polysomy Cytogenetic method is applied to clarify the diagnosis. The diagnosis will be confirmed if the patient’s karyotype is:

Answer options

1. 48, XXYY
2. 47, XXY
3. 47, ХХХ
4. 48, XXXY
5. 46, XX

Explanation

Characterized by addition of one extra X chromosome to a male 46, XY karyotype. Consistent clinical features include increased mean height and infertility. The extra X chromosome results from nondisjunction of sex- chromosomes during the first (or less frequently the second) meiotic division in either parent.