Concept 36 Different genes are active in different kinds of cells.
Igor Dawid, Acting Scientific Director of the National Institute of Child Health and Human Development.
Igor Dawid enjoying the flowers.
Thomas Sargent, 1983.
Figure from Sargent and Dawid's differential expression experiment in frog embryos.
Patrick Brown and Vishy Iyer, former post-doctoral fellow, in the lab.
Steve Fodor, Chairman and Chief Executive Officer of Affymetrix Inc.
GeneChip® are DNA based. Methods to make chips that are protein based are also being tested for antibody screening.
GeneChip® are being compared to computer chips. Can you see the similarities?
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Igor Dawid, Acting Scientific Director of the National Institute of Child Health and Human Development.
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.