Repetitive sequences are stretches of $DNA$ with repeated bases many times in a genome, but
$(a)$ These sequences are of no transcriptional function
$(b)$ These are associated with euchromatin region
$(c)$ These helps to identify a person on the basis of its $DNA$ specificity
All are correct
Only $(b)$ is incorrect
Both $(a)$ & $(b)$ are correct
Both $(b)$ & $(c)$ are incorrect
Enzyme aminoacyl synthetase is responsible for
The mean diameter of $DNA$ double helix is
An unfertilized human egg contains
During infection of $\mathrm{E}$. coli cells by bacteriophage $T2$,
Exchange of chromosome segments between maternal and paternal chromatids during synapsis in meiosis is called