The chromosomes as thread like structures in nucleus was first described by

The terms cistron, recon and muton were proposed by

$RNA$ is a genetic material in

What is incorrect for $UTR$?

Assertion: $mRNA$ attaches to ribosome through its $3'$ end.

Reason: The $mRNA$ has $F-$ capsular nucleotide and bases of lagging sequence.

A genome is the