Which type of DNA mutation is the result of a new nitrogenous base being added to a DNA strand

answer: i cant find your answer. do u have another way i can answer it for you : )

explanation:

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.

well, i believe that the answer is 2. : 3