1) The lifecycle of Drosophila.
In addition to describing the lifecycle of the Drosophila, this video also explains how to distinquish male and female larvae, male and female adults, and virgin adult females.
2) P-elements
This video introduces one of the most important tools for studying genetics in Drosophila, the P-element. This includes a description of the GAL4-UAS system.
Both can be downloaded in an iPod friendly format.
