give detail explanation of dna.
Kindly refer to the link provided below:
https://www.meritnation.com/ask-answer/question/what-is-dna-explain-its-functions/the-fundamental-unit-of-life/5284140
https://www.meritnation.com/ask-answer/question/what-is-dna-explain-its-functions/the-fundamental-unit-of-life/5284140