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Genetic imbalances—such as those associated with Down syndrome in humans—are generally harmful. The number of copies of a given gene, the gene dose, can be very important. In the roundworm C. elegans, sex (male or hermaphrodite) is determined by the number of X chromosomes. Dr. Barbara Meyer explains how hermaphrodites control gene expression on their pair of X chromosomes to avoid having double the gene dose of males. By studying these sophisticated genetic systems in worms, scientists can learn more about related molecular pathways in mammals and humans. From the Series:HHMI’s Understanding Biomedical Research Series
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Video Length: 3435
Date Found: February 12, 2009
Date Produced: November 30, 2001
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 ResearchChannel |
July 17, 2010
Radio waves are used for far more than just radio communication. Dr. David Staelin, professor of electrical engineering at the Massachusetts Institute of Technology, exposes its many uses in everything from computer networks to satellite communication, but, he also warns that we may be running ...
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 ResearchChannel |
July 17, 2010
Radio waves are used for far more than just radio communication. Dr. David Staelin, professor of electrical engineering at the Massachusetts Institute of Technology, exposes its many uses in everything from computer networks to satellite communication, but, he also warns that we may be running ...
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 ResearchChannel |
July 17, 2010
In the spring of 2010, the Denman Forestry Issues Series was presented by the School of Forest Resources in the new College of the Environment, at the University of Washington. The series featured 10 featured speakers to discuss "Forests and the Health of Puget Sound.” The first session ...
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 ResearchChannel |
July 17, 2010
Josh didn’t know exactly what kind of research he wanted to pursue, but he wanted to be able explore many options in biological research. He heard about the Molecular and Cellular Biology program and discovered he was encouraged to look at many different lines of research and areas of interest ...
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 ResearchChannel |
July 17, 2010
In the spring of 2010, the Denman Forestry Issues Series was presented by the School of Forest Resources in the new College of the Environment, at the University of Washington. The series featured 10 featured speakers to discuss "Forests and the Health of Puget Sound.” The second ...
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