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Question

A human female with Turner's syndrome:

A
is able to produce children with normal husband
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B
exhibits male characters
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C
has one additional X chromosome
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D
has 45 chromosomes with XO
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Solution

The correct option is D has 45 chromosomes with XO
Turner’s syndrome is a chromosomal disorder in human beings characterised by the absence of one of the X chromosomes in the females (45, XO).

The affected females are sterile with rudimentary ovaries and lack secondary sexual characters.

So, the correct answer is option A.

Triple X syndrome (47, XXX) is characterized by the presence of an additional X chromosome. The affected individuals are associated with an increased risk of learning disabilities and delayed development of speech and language skills (option B).

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