* DNA (Deoxyribonucleic acid) is a long, complex molecule that contains the genetic instructions for building and maintaining an organism. It's like the blueprint for life. Think of it as the entire library of books.

* Genes are specific segments of DNA that carry the instructions for building a particular protein or functional RNA molecule. They are like individual chapters in the library.

Think of it this way:

* DNA is the entire book.

* Genes are individual chapters within the book.

In simpler terms:

* DNA is the entire set of genetic instructions.

* Genes are individual instructions within the set.

Therefore, genes are part of DNA, but DNA is not a gene.