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Question:

A human female with Turner's syndrome has 45 chromosomes with XO. Is able to produce children with a normal husband. Has one additional X chromosome. Exhibits male characters.

Exhibits male characters

Is able to produce children with normal husband

Has 45 chromosomes with XO

Has one additional X chromosome

Solution:

Turner's syndrome is a condition in which a female is partly or completely missing an X chromosome. So, a female with Turner's syndrome has 45 chromosomes (45, XO). Thus, the correct answer is option (A), 'Has 45 chromosomes with XO'.