The genotype of an individual with Turner syndrome is:

21 trisomy with XY

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44 autosomes + XXY

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44 autosomes + XXX

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44 autosomes + XO

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Solution

The correct option is D 44 autosomes + XO
Turner syndrome (TS), is a condition in which the female is partly or completely missing an X chromosome. It arises due to the inheritance of only one X chromosome from parents. Therefore, females with Turner syndrome have 44 autosomes and one X chromosome. Such women are sterile.

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M e l a n d r i u m

	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

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