Which of the following organisms has the highest number of chromosomes?

Match the following (Column-$I$ with Column-$II$):

Column-$I$	Column-$II$
$(P)$ $(2n-1)$	$(i)$ Produces normal female
$(Q)$ $Hb^s Hb^s$	$(ii)$ Produces haploid male
$(R)$ $22AA+XX$	$(iii)$ Causes Turner syndrome
$(S)$ $(X+O)$	$(iv)$ Causes sickle cell anemia
	$(v)$ Causes hemophilia
	$(vi)$ Shows Klinefelter syndrome

The application of the principles of genetics for the improvement of the human race is called ..............

Blood group of a person is $A$ and he is suffering from albinism. What percentage of his gametes will have genotype $I^A a$?

Which of the following is $NOT$ true for $Drosophila$ $melanogaster$?

$Statement A$: For a particular character in an individual,each gamete gets only one allele.
$Statement B$: Chromatids of a chromosome split (separate) and move towards opposite poles during anaphase of mitosis.