In plant $A,$ $2 n=12$ and in plant $B, 2 n=16$. Then the ploidy number of cross breeding plant is
$7$
$21$
$14$
$28$
The transfer of protein from electrophoretic gel to nitrocellulose membrane is known as
A probe is used in which stage of genetic engineering?
Streptomycin is produced by or from which micro-organism streptomycin is prepared
Production of pest resistant plants could
In Bt cotton, the toxin is coded by a gene named ...........