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(B) Klinefelter's syndrome is a genetic disorder caused by the presence of an additional $X$ chromosome,resulting in a karyotype of $47, XXY$.Individu

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Klinefelter's syndrome

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(B) Klinefelter's syndrome is a genetic disorder caused by the presence of an additional $X$ chromosome,resulting in a karyotype of $47, XXY$.Individuals with this condition exhibit overall masculine development but also show feminine characteristics such as gynaecomastia (development of breast tissue).These individuals are sterile due to the inability to produce functional sperm.In contrast,Turner's syndrome $(45, XO)$ involves a missing $X$ chromosome in females,while Down's syndrome $(47, XX/XY + 21)$ is a trisomy of chromosome $21$.

What is the genetic disorder in which an individual has an overall masculine development,gynaecomastia,and is sterile?

Similar Questions

Choose the correct answer regarding the following statements:
$(i)$ Sickle-cell anaemia is controlled by three pairs of alleles.
$(ii)$ Trisomy is a chromosomal disorder.
$(iii)$ $47$ chromosomes are present in a person having Turner's syndrome.

Turner's syndrome is caused due to the absence of ........ chromosomes.

Which of the following does not represent trisomy?

Select the incorrect statement regarding Down's syndrome.

Down's syndrome occurs in the $21^{st}$ pair of chromosomes due to the presence of an additional chromosome.

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