Turner syndrome is

XXX

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XYY

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XXY

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Solution

The correct option is D
XO

Turner’s syndrome is an aneuploid condition with a single set of chromosomes. It is caused by XO genotype which results from the union of an abnormal O egg with a normal X sperm or a normal X egg and abnormal O sperm.

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Similar questions

Match the follow.

a) Turner syndrome (i) Holandric genes

b) Downs syndrome (ii) Trisomy of 21

c) y chromosome (iii) Quantitative abnormality of haemoglobin

d) Thalassemia (iv) 45, XO

	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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