We now see that natural selection *is* working to conserve this unpartnered region of the Y, ... If mutations do occur in any of these genes, they don't seem to pass on in the lineage. This is a clear example of how evolution is not just about moving ahead, it's also about not falling behind.

-David Page

Select a background
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image

More quotes by David Page