Question #279078

It is estimated that 1-3 % of people of northern European ancestry have   


A.

uncircumcised foreskin


B.

a genetic mutation of the CCR5 receptors on the surface of T4 blood cells


C.

an autoimmune disorder making them more susceptible to opportunistic infections


D.

a disease of the foreskin or prepuce


Expert's answer

The answer is B.


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