IMPORTANT: Adobe Flash Information
As of December 31, 2020, Flash animation technology is no longer supported by web browsers. Several DNALC educational sites, including Inside Cancer, were built using Flash, especially those featuring animations.
Some DNALC sites will be retired, but much of the animation and video content is available on the DNALC website under Resources.
In addition, we are reworking our most valued, up-to-date content into current technologies. If there is an animation you can no longer find, please contact the DNALC.


Inside Cancer Blog
Jumping Down the Road to Cancer. Lying dormant in our genomes are millions of jumping genes. Originally discovered by Barbara McClintock, transposons are DNA sequences that can move from one location to another in our DNA. Transposons cause mutations when they jump to new locations, so keeping them from jumping is important. However, although transposons are largely silent, every person probably…
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