Change from purine to pyrimidine or pyrimidine to purine is called :

Change from purine to pyrimidedine or pyrimidine to purine is called :

Purine and Pyrimidine

Purines and pyrimidines

Purines and Pyrimidines

Guanine is a purine/pyrimidine.

Which of the following statements are correct? I. Point mutations involve deletion of a part of chromosome. II.When a purine base is replaced by another purine and pyrimidine by another pyrimidine, it is transition. III.In frameshift mutations, one nitrogenous base is substituted by other. IV.When a purine is replaced by a pyrimidine and vice-versa, it is called transversion.

a point mutation comprising the subxiton of a purine by pyrimidine is called :

A point mutation comprising the dubsition of a purine by a pyrimidine is called :

purine : guanine : : pyrimidine : ………………