In human, which disorder is cussed due to the absence of one of the $X$ chromosomes i.e., $45$ with $XO$ ?

  • A

    Down's syndrome

  • B

    Klinefelter's syndrome

  • C

    Turner's syndrome

  • D

    Edward's syndrome

Similar Questions

In man sometime during gametogenesis sex chromosomes are not separated themselves on account of which chromosome number becomes $45, 47$ or $48$. In this condition which of the following genotype and phenotype is correct

Which of the following statements are correct about Klinefelter's Syndrome?

$A$. This disorder was first described by Langdon Down $(1866)$.

$B$. Such an individual has overall masculine development. However, the feminine developement is also expressed.

$C$. The affected individual is short statured.

$D$. Physical, psychomotor and mental development is retarded.

$E$. Such individuals are sterile.

Choose the correct answer from the options given below:

  • [NEET 2023]

In which disorder $XXY$ karyotype is present ?

The number of chromosomes in Down's syndrome is

  • [AIPMT 2005]

Loss of a single chromosome produces a condition called.