Chromosomes of all races of human are
Different
Similar
Different in banding only
Similar in banding only
In eukaryotes, $RNA$ polymerase $III$ catalyses the synthesis of
Mark the correct one (w.r.t. application of $DNA$ fingerprinting)
$tRNA$ is composed of about how many nucleotides
In tryptophan operon
Dominance of $RNA$ world is proved by