Turner's syndrome is caused by

Polyploidy

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Autosomal aneuploidy

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Sex-chromosome aneuploidy

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Trisomy

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Solution

The correct option is C Sex-chromosome aneuploidy
Turner's syndrome is a gonadal dysgenesis and 45+X. It is a condition in which a female is partly or completely missing an X chromosome.
Aneuploidy is the presence of an abnormal number of chromosomes in a cell, such as having 45 or 47 chromosomes.
So, Turner's syndrome is a sex-chromosome aneuploidy where one X chromosome is missing.
Therefore, the correct answer is option C.

Suggest Corrections

Similar questions

Choose the correct option:

Assertion [A]: Turner syndrome occurs only in females.

Reason [R]: Turner syndrome is characterised by X0 sex chromosomes.

Choose the correct option regarding the Assertion and Reason:

Assertion [A]: Turner syndrome occurs only in females.

Reason [R]: Turner syndrome is characterised by X0 sex chromosomes.

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

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