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.

Turner's syndrome is an example of ______ 

विकल्प

• aneuploidy

• euploidy

• polyploidy

• autosomal abnormality

Answer 1

Turner's syndrome is an example of aneuploidy.

Explanation:

Failure of segregation of chromatids during cell divisions results in the gain or loss of chromosomes called aneuploidy. For example, Turner's syndrome results due to the loss of the X chromosome in human females.