The terms cistron, recon and muton were proposed by
W. Ingram
Bateson
J. Lederberg
S. Benzer
Which one of the following ratio is constant in $DNAs$ of different species
Morgan was awarded Nobel Prize for
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
The males of grasshoppers and moths posses two sets of autosomes and