An inactive repressor produced by regulator gene that does not block the operator site in the tryptophan Operon is called
Aporepressor
Intron
Exon
Clone
The human chromosomes are divided into $7$ groups, $B$-chromosomes are
Barbara McClintock is famous for her work on
What is transfer of $DNA → RNA$ called
Histone occupies the major grooves of $DNA$ at an angle of
The twenty third pair of chromosomes in man is known as