Seedless watermelons are produced by crossing between
Genes were first artificially synthesised by
DNA as an acidic substance present in nucleus was first of all identified by
A nitrogeneous base is linked to pentose sugar through
The various clones representing all the genes of an organism are called
Variations in character are brought about by
Polydactyly in man is due to
Which is non-invasive technique of genetic counselling?
Transcription unit in DNA is defined by which of the following regions ?