Question

Phenotypically females having rudimentary ovaries, underdeveloped breasts, short stature, webbing neck, often subnormal intelligence suggests

• A. Down's syndrome
• B. Klinefelter's syndrome
• C. Turner's syndrome
• D. Haemophilic syndrome

Answer 1

Answer: (C)

Turner's syndrome

Turner's syndrome occurs due to monosomy i.e., (2n - 1). It is formed by the union of an abnormal 0 egg and a normal X sperm or a normal egg and an abnormal 0 sperm. The individual has 2n = 45 chromosomes (44 + X), instead of 46. Such persons are sterile females who have rudimentary ovaries, undeveloped breasts, small uterus, puffy fingers, short stature (less than 5 feet), webbed neck, abnormal intelligence, cardiovascular abnormalities and hearing impairment.

So, the correct answer is 'Turner's syndrome'.