Tuesday, 7 September 2021

TURNER'S SYNDROME

Turner syndrome was first discovered by Dr. Henry Turner in 1938 .

This is a sex chromosomal genetic disorder is due to the loss of a X-chromosomes resulting in a karyotype 44AA + XO .

The Turner syndrome occurs in two ways 

I- When an abnormal ovum containing no sex chromosome 22+0 fertilize with normal sperm 22+X results in the turner's syndrome .

II- When an abnormal ovum containing no sex chromosome 22+ 0 fertilizes  with normal ovum 22+ X results in the turner's syndrome .

They are sterile female having the symptoms low stature ,webbed neck ,under developed breast ,rudimentary gonads, and lack of menstrual cycle during puberty.

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