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Question

If only one X chromosome is found in a female person, which of the following symptoms she will show?

A
Epicanthal skin fold
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B
Webbing of neck
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C
Small testis and absence of spermatogenesis
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D
Presence of simian crease on the palm
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Solution

The correct option is B Webbing of neck
If the female have only one sex chromosome, the female is suffering from Turner's syndrome. The genotype of the female having Turner's syndrome is 44A + XO. The symptom shown by the female having this disorder is the webbed neck. There is extra skin on the neck. There are other symptoms like short stature, infertility, swelling of hands and legs, etc.
Thus, the correct answer is option B.

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