Streptomycin and related antibiotics bind to small sub-units of ribosomes in prokaryotes and they
Inhibit protein synthesis
Block the action of peptidyl transferase
Cause misreading of the genetic codes
Cause point mutation
Different types of chromosomes can be recognised by the position of the following separating the two arms
Balbiani rings are present in
The genes, which are confined to differential region of $Y$ chromosome only, are called
What are informosomes
Substances known as 'heredity carriers' are