Video 26: Raymond Gesteland, clip 3
Ray Gesteland is a Distinguished Professor of Human Genetics in the Department of Human Genetics at the Eccles Institute, University of Utah. His research is on RNA, specifically secondary structures in RNA that can provide additional coding information.
biotic environment, human genetics, molecular evolution, secondary structures, eccles, rna university of utah, dna
- ID: 16581
- Source: DNALC.DNAFTB
- Download: MPEG 4 Video
Why DNA was probably not the driving force of molecular evolution in a pre-biotic environment.
The pre-biotic soup of life and the need to increase molecular concentrations.
Differences between DNA and RNA and the evolutionary roles carried out by each molecule.
RNA function -- the code within the code.
Mario Capecchi, Distinguished Professor, Eccles Institute of Human Genetics.
The three models of DNA replication - semi-conservative, conservative, and dispersive - and whether bias played a role in designing/interpreting the experiment.
How Meselson came to read the Watson and Crick paper, then think about ways to experimentally test how DNA replicates.
Sydney Brenner showed that mRNA was the unstable intermediate that carried the message from DNA to the ribosomes.
What molecular genetics tells us about the Neandertal relationship to modern humans.
Molecular geneticist Douglas Wallace talks about the origin of our mitochondria and the DNA within.