In article <eesnyder.697915657 at beagle> eesnyder at boulder.Colorado.EDU (Eric E. Snyder) writes:
>Just as _Drosophila_ P-elements appeared to have
>arisen _de novo_ in the 1920s...
>Eric E. Snyder
>Department of MCD Biology ...making feet for childrens' shoes.
>University of Colorado, Boulder
>Boulder, Colorado 80309-0347
I know that P-elements are believed to be of evolutionarily recent origin,
but THAT recent? (references please)
Program in Biochemistry, Molecular, Cellular, and Developmental Biology
robison at ribo.harvard.edu