Sunday, 22 May 2005 - 10:00 AM

This presentation is part of: Biology

100 Years of Genetics

William Sofer, Rutgers University, Piscataway, NJ

Almost exactly 100 years ago, Thomas Hunt Morgan and his coworkers at Columbia University began studying a small fly, Drosophila melanogaster, in an effort to learn something about the laws of heredity. After a while, they found a single white-eyed male among many thousands of normal red-eyed males and females. The analysis of the offspring that resulted from crossing this mutant male with red-eyed females led the way to the discovery of what determines whether an individual becomes a male or a female, and the relationship of chromosomes and genes.

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