Hi everyone, I'm back!

Jumping in from the post in the last digest about G6PD deficiency, probably
out of context:

G6PD-deficiency is due to a recessive allele (form of a gene) on the X
chromosome, and so is found most often in males, who have only one X.  In
order for a woman to have G6PD deficiency, she would have to have inherited
a copy of the allele from both mother and father.

G6PD deficiency is most common in circum-Mediterranean and Middle Eastern
Jewish populations, ranging from very low levels in European Jews to 10-40
percent in places like Morocco, Yemen, Syria, and Iraq, and reaching its
highest levels among Jews in Kurdistan, where about 70% of all males are
affected.  It provides protection against malaria.

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Katherine A. Dettwyler, Ph.D.                         email: [log in to unmask]
Anthropology Department                               phone: (409) 845-5256
Texas A&M University                                    fax: (409) 845-4070
College Station, TX  77843-4352