$RNA$ is a genetic material in
Tobacco mosaic virus
Cyanobacteria
Chladophora
Sieve cells
The genes, which are confined to differential region of $Y$ chromosome only, are called
Whereas the number of chromosomes is reduced to half in first reduction division of meiosis, then what is the need for second mitotic division
The contribution of cytoplasmic $DNA$ in cells to total $DNA$ is
$A$ : Wobbling reduces the number of $tRNAs$ required for polypeptide synthesis.
$R$ : It increases the effect of code degeneracy
During infection of $\mathrm{E}$. coli cells by bacteriophage $T2$,