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Question
Read the following and answer from given below:
Turner's syndrome is an example of monosomy. It is formed by the union of an allosome-free egg and a normal 'X' containing sperm or a normal egg and an allosome-free sperm. The individual has 2n = 45 chromosomes (44 + X0) instead of 46. Such individuals are sterile females who have rudimentary ovaries, underdeveloped breasts, small uterus, short stature, webbed neck, and abnormal intelligence. They may not menstruate or ovulate. This disorder can be treated by giving female sex hormones to women from the age of puberty to make them develop breasts and have menstruation. This makes them feel more normal.
Which of the following statements regarding Turner's syndrome is incorrect?
Options
It is a case of the monosomy of chromosomes.
The suffering individual is a sterile female having one 'X' chromosome missing in the cells.
The problem is due to an extra chromosome.
The individual is of short stature.
Solution
The problem is due to an extra chromosome.
Explanation:
In Turner's syndrome individual lacks one X chromosome. This situation is known as monosomy.
