Here are the most basic knowledge you'll need to understand the Human Genome Project.
To understand all about the project, you'll first have to know about genes. Below are the most important things among them.
Cell and Nucleus - About cells and its nucleus Chromosome - About chromosomes and their function Heredity and Genes - The meanings of "heredity" and "gene" Genetic Material - Materials used in heredity Genes and DNA - The difference between genes and DNA DNA - About DNA and its funtions RNA - About RNA, the brother of DNA Genetic Codes and Codons - What structures the DNA Genome - About genomes