A human female with Turner's syndrome: [NEET 2014]

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

The NCERT line that answers it

Verbatim line

In Turner's syndrome, one X chromosome is missing and the sex chromosome is as XO, and in Klinefelter's syndrome, the condition is XXY.

Chapter: Principles of Inheritance and Variation
Section: 4.8.3 Chromosomal Disorders
Page: 27
Words matched: 15 of 23

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

5, emb=0.6293, combined=0.5776). Verified: high — The span explicitly states 'In Turner's syndrome, one X chromosome is missing and the sex chromosome is as XO', which directly confirms option A's claim of 45 chromosomes with XO (since missing one X from the normal 46 results in 45).

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