$A$ female with $XXXX$ chromosomes will have the following number of Barr bodies:

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 development 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:

The given figure represents which disorder?

Which of the following conditions in humans is correctly matched with its chromosomal abnormality or linkage?

$A$ person who has $47$ chromosomes due to an extra $X$ chromosome is affected by

The monosomic condition in human beings depicted as $XO$ is referred to as