Barr body test


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.

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