You are in Living Better . Collaborating researchers in the U.S., Japan, and Great Britain celebrated the 'sequencing' of chromosome 22. There are 23 paired human chromosomes, microscopic bodies that are made up of genes.
Genes carry our hereditary information.
Together, the chromosomes make up the human genome. Carried inside each of our cells, the genome includes all of our basic biological instructions. They believe they will finish the entire sequence by 2003. It's going to take three years to write the book. This is just the first chapter of it.