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प्रश्न
The genotype of a person with Turner’s syndrome will be:
विकल्प
44 + XXY
44 + XYY
44 + XO
44 + XXYY
MCQ
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उत्तर
44 + XO
Explanation:
Turner’s syndrome is caused by the presence of only one X chromosome and no second sex chromosome (monosomy X), resulting in a total of 45 chromosomes (44 autosomes + XO). Individuals with Turner’s syndrome are genetically female but sterile, with underdeveloped ovaries, and present characteristic physical features such as a webbed neck and broad chest. This condition arises due to nondisjunction during gamete formation leading to monosomy of the X chromosome.
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