Read this short article to find out about the history of cloning and genetic engineering. Continue on to the next page to find out how cloning is done. Simple terms and fun animations make it easy to read.

This article provides a discussion of DNA and how it replicates. Includes a chromosome map of a human male, a close-up of chromosomes just before cell division and a close up of a DNA molecule.

Understand that recombinant DNA is the combination of DNA from two different sources.