JIPMER 2012
- Exam
- JIPMER
- Year
- 2012
- Subject
- Zoology
- Chapter
- Principles of Inheritance and Variation
JIPMER 2012 · Zoology · Principles of Inheritance and Variation
Which has an additional X-chromosome?
Which has an additional X-chromosome?
Options
- ATurner's syndrome
- BKlinefelter's syndrome
- CSuper female
- DDown's syndrome
Correct answer
B. Klinefelter's syndrome
Step-by-step solution
Klinefelter's syndrome is caused by one or more extra X-chromosome (i.e., XXY, XXXY). The man with such a syndrome is sterile, has small testes, long legs and feminine characters like breasts.