If an isolated strain of $DNA$ is kept at $82-90^o C$, then
It changes into $RNA$
It divides into one million pieces
No effect
It uncoils into helixes
Separation of the two chromatids of a chromosome takes place in mitosis during
Substances known as 'heredity carriers' are
The chromosomes as thread like structures in nucleus was first described by
Few genes are found in all types cells of differentiated multicellular organisms of high class. It is called
Balbiani rings are sites of