TECHNOLOGY WATCH:

New Genetic Research Indicates Jewish Priesthood Has Multiple Lineages

UA [University of Arizona] geneticist Michael Hammer and his colleages used a larger number of DNA markers to trace the ancient bloodline to more than one source.

By University Communications
September 16, 2009

Recent research on the Cohen Y chromosome indicates the Jewish priesthood, the Cohanim, was established by several unrelated male lines rather than a single male lineage dating to ancient Hebrew times.

The new research builds on a decade-old study of the Jewish priesthood that traced its patrilineal dynasty and seemed to substantiate the biblical story that Aaron, the first high priest (and brother of Moses), was one of a number of common male ancestors in the Cohanim lineage who lived some 3,200 years ago in the Near East.

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Seems to me that there's an awfully big leap between the first paragraph and the second.