Polytene chromosomes were first observed by
Batanetzky-$1980$
Heitz and Bauer -$1935$
Balbiani -$1881$
Stevens and Wilson -$1905$
Which of the following does not code for any proteins?
Which of the following is not required during post transcriptional processing in eukaryotes?
Histone occupies the major grooves of $DNA$ at an angle of
Pleotropic character represent that quality of gene which is called
Ribosomal $RNA$ is actively synthesized in