Klinefelter's syndrome has chromosome arrangement

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XXY

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Solution

The correct option is B XXY
Klinefelter syndrome is the condition when a male is having one or more extra X chromosomes. Human males have one Y and one X chromosome (XY). A male with Klinefelter's syndrome has sex chromosome arrangement of XXY/XXXY or XXXXY.

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Assertion [A]: Klinefelter syndrome occurs only in males.

Reason [R]: Klinefelter syndrome is characterised by an additional Y chromosome in the karyotype.

Choose the correct option:

Assertion [A]: Patients having Klinefelter syndrome have higher amounts of estrogen in the body.
Reason [R]: Klinefelter syndrome occurs due to appearance of an extra X chromosome in the human males.

Q. Match the syndromes and chromosomal abnormalities given in columns.

	List I - Syndrome		List II - Chromosomal abnormalities
A	Klinefelter syndrome	p	Trisomy 13
B	Turner's syndrome	q	Trisomy 18
C	Super female	r	44+XXY
D	Patau's syndrome	s	44+XXX
		t	44+XO

Choose the correct option regarding the Assertion and Reason:

Assertion [A]: Patients having Klinefelter syndrome have higher amounts of estrogen in the body.
Reason [R]: Klinefelter syndrome occurs due to appearance of an extra X chromosome in the human males.

Q. Why people with klinefelter syndrome sterile?
Since they have x x y chromosomes what type of gametes can be formed ?

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Klinefelter's syndrome has chromosome arrangement

The correct option is B XXYKlinefelter syndrome is the condition when a male is having one or more extra X chromosomes. Human males have one Y and one X chromosome (XY). A male with Klinefelter's syndrome has sex chromosome arrangement of XXY/XXXY or XXXXY.

The correct option is B XXY
Klinefelter syndrome is the condition when a male is having one or more extra X chromosomes. Human males have one Y and one X chromosome (XY). A male with Klinefelter's syndrome has sex chromosome arrangement of XXY/XXXY or XXXXY.