The chromosomal condition $2n-1$ is an example of what?

Identify the given figure and select the correct option.
$\quad\quad\quad P\quad\quad Q$

Fissured tongue,short stature,and physical or mental retardation are characteristic features of which disorder?

Identify the disease on the basis of the following characters:
$(1)$ Short stature with a small round head.
$(2)$ Furrowed tongue and partially open mouth.
$(3)$ Palm is broad with a characteristic palm crease.

In man,which of the following genotypes and phenotypes may be the correct result of aneuploidy in sex chromosomes?

In humans,which of the following genotypes and phenotypes is a correct result of aneuploidy in sex chromosomes?