In humans,mental retardation is associated wi | vedclass

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Question

(A) Mental retardation in humans is often associated with sex chromosomal aneuploidy,such as $Klinefelter$ syndrome $(47, XXY)$ or $Turner$ syndrome $

Vedclass · Accepted Answer

Gain of an $X$ chromosome

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(A) Mental retardation in humans is often associated with sex chromosomal aneuploidy,such as $Klinefelter$ syndrome $(47, XXY)$ or $Turner$ syndrome $(45, X)$.Specifically,the condition known as $Klinefelter$ syndrome,which involves the presence of an extra $X$ chromosome $(47, XXY)$,is frequently associated with varying degrees of mental retardation.Therefore,the gain of an $X$ chromosome is a common cause of such sex-linked abnormalities.

In humans,mental retardation is associated with sex-linked abnormalities. It is generally due to:

Similar Questions

The monosomic condition in human beings depicted as $XO$ is referred to as

Gynecomastia is a symptom of

Which of the following disorders exhibits sex chromosomal monosomy?

An abnormal male child is born to normal parents. This child shows a short neck,stubby hands,slanting eyes,a permanently open mouth with a projecting upper lip,and short stature. This abnormality can be attributed to:

Assertion: Aneuploidy may be of hypoploidy or hyperploidy type.
Reason: Monosomy lacks one pair of chromosomes.

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