Select the correct option.

Column $${\rm I}$$			Column $${\rm I}$$$${\rm I}$$
A.	Synapsis aligns homologous		(i)	Anaphase $${\rm I}$$$${\rm I}$$
B.	Synthesis of RNA and protein		(ii)	Zygotene
C.	Action of enzymes recombinase		(iii)	G2-phase
D.	Centromeres do not separate but chromatids move towards opposite poles		(iv)	Anaphase $${\rm I}$$
			(v)	Pachytene

The enzyme recombinase is required at which stage of meiosis?

In 'S' phase of the cell cycle

During which phase(s) of cell cycle, amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C?