Tom Sargent is the chief research microbiologist in the Section on Vertebrate Development in the Laboratory of Molecular Genetics, National Institute of Child Health and Development, National Institutes of Health. Dr. Patrick Brown is Professor of Biochemistry at the School of Medicine in Stanford University.
DNA is packaged in a chromosome.
Higher cells incorporate an ancient chromosome.
Some DNA does not encode protein.
Some DNA can jump.
Genes can be turned on and off.
Genes can be moved between species.
DNA responds to signals from outside the cell.
Different genes are active in different kinds of cells.
Master genes control basic body plans.
Development balances cell growth and death.
A genome is an entire set of genes.
Living things share common genes.
DNA is only the beginning for understanding the human genome.