NEET Biology question

The chromosomal condition in Turner's syndrome is

(A)21 trisomy with XY
(B)44 autosomes + XXY
(C)44 autosomes + XYY
(D)44 autosomes + XOCorrect

Answer: (D)

Solution

Turner's syndrome is caused by monosomy of the X chromosome, giving a chromosomal constitution of 44 autosomes + XO = 45 chromosomes total; affected individuals are phenotypically female with rudimentary, non-functional ovaries, a webbed neck, and other secondary sexual characteristics that fail

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Question ID VK-119763