Consider the following statements :
A. RNA has evolved from DNA with chemical modification that make it more unstable.
B. Central dogma in molecular biology states that the genetic information flows from DNA `rarr` RNA `rarr` Protein.
C. In some virsus like tobacco mosaic viruses, QB bacteriophage, DNA is the genetic material.
D. Euchromatin is said to be transcriptionally active chromatin, whereas heterochromatin is inactive.
Of the above statements :
A. B and C are correct
B. B and D are correct
C. A and B correct
D. A and D are correct
