Lactose tolerance, sickle cell anemia, and bitter taste perception are three examples of recently evolved human traits.
Understand how quorum sensing works by reasoning through experiments involving genetically-engineered bioluminescent bacteria.
Learn about how gene switches can control expression of genes in different tissues.
Learn about the different ways scientists are able to detect when genes are being expressed in various tissues.
DNA microarrays, or gene chips, are an important new technology for genomic research. Learn how researchers use computing to analyze and interpret the huge datasets generated by microarray experiments.
RNA interference is an exciting new research tool for shutting down genes. It could also yield new medical treatments.