The given figure represents which disorder?

The Philadelphia chromosome is found in patients suffering from

In which one of the following combinations $(a - d)$ the number of chromosomes of the present-day hexaploid wheat is correctly represented?

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.

If somatic cells of a human male contain a single Barr body,the genetic composition of the person would be:

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