Concept 32 Some DNA can jump.
Nathaniel Comfort
Nathaniel Comfort is Associate Professor in the Institute of the History of Medicine at Johns Hopkins University. In 2001, he published The Tangled Field, a biographical study of McClintock's life, thought, and impact.
- McClintock's contributions to corn genetics.
- Comments on McClintock's 1931 paper.
- How was McClintock able to do what she did?
- Comments on how McClintock used the breakage fusion bridge cycle to look for new mutations.
- What did McClintock think about the dissociator and activator genes?
- Why did McClintock stay at Cold Spring Harbor Laboratory?
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.