Barr body test
→ No. of Barr Bodies = no. of X-chromosome − 1
| Condition | No. Of Barr Bodies |
| → Normal male | 1 – 1= 0 |
| → Normal female | 2 – 1= 1 |
| → Turner Syndrome (45XO- Females) | 1 – 1 = 0 |
| → Klinefelter’s Syndrome (47XXY- Males) | 2 – 1 = 1 |
- Therefore, it’s not a best method to determine the sex.


