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DNA/Replication

As you might have noticed you are a mixture of your biological parents and preceding generations. Maybe you've got your mothers nose and your fathers eyes. How can that be? Something must carry that information between the generations.

DNA is the physical carrier of inheritance. It is like a giant book of information containing all the instructions for building and maintaining a living organism.
DNA »

Replication followed by cell division is the answer to one of life's most interesting questions: How can the union of a single sperm and an egg become a five-trillion-cell baby, all containing the same DNA?
DNA replication »