A person with karyotype 47 xxy is associated with A A single barr body B Gynaecomastia C Mongolism D Presence of an ovotestis E Mental retardation A person with karyotype 47 xxy is associated with Correct Answer A single barr body, Gynaecomastia Bissoy MCQ Team Aug 26, 2023 Basic Science MD MS Pathology Genetics Klinefelter syndrome