Process of reverse transcription was discovered by Temin in
$MS-2$ bacteriophage
Rous sarcoma virus
E. coli
Neurospora
$X$ -ray diffration data produced by ........ and……..
Identify $a, b$ and $c$
The polytene chromosomes were discovered for the first time in
Who used the word "chromosome''
Chromosomes were seen first time by