Cri-du-chat syndrome in humans is caused by the
trisomy of $21^{st}$ chromosome
fertilization of an $XX$ egg by a normal $Y$-bearing sperm
loss of half of the short arm of chromosome $5$
loss of half of the long arm of chromosome $5$
What is the chromosome number of plasmodium
$DNA$ polymerases catalyse polymerisation of / in
Two sister chromatids are attatched with
Okazaki fragments are synthesised on
$A$ : Teminism is unidirectional flow of information.
$R$ : It requires $DNA$ dependent $RNA$ polymerase enzyme