DNA contains genes located in the chromosomes of each cell. It is present within the cell nucleus and mitochondria.
What do you mean by Chromosomes?
Chromosomes may be defined as a thin thread-like structure that contains genetic information associated with the organism.
DNA serves as the genetic material in most organisms. It carries all the genetic information and instructions needed for the development, survival, and reproduction of the organism.
Therefore, the correct option for this question is B.
To learn more about DNA, refer to the link:
https://brainly.com/question/1328358
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