For those of you who asked, here are websites summarizing or commenting
on the Kohan dna y chromosome research.

http://www.yfiles.com/aaron.html
"A Genetic Trace is Found Linking Kohanim Worldwide," report by Grant
Jeffrey, >from Y files website.

http://www.jcn18.com/newstand/roundup/genepris.htm
Article >from Jewish Communication Network: "Priestly Genes: The science
behind the news" by Miryam Z. Wahrman, Ph.D.

I looked for the original Nature article online but was unsuccessful.

Candice Bradley
Appleton WI