Evolution of the foreskin: Difference between revisions
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Over the last 65 million years, the prepuce has offered reproductive advantages. Although advocates of mass circumcision hypothesize that the prepuce represents a design flaw, it is more likely that sexual selection has refined the external genitalia of each primate species for reproductive excellence.<ref name="cold-mcgrath">{{REFbook | Over the last 65 million years, the prepuce has offered reproductive advantages. Although advocates of mass circumcision hypothesize that the prepuce represents a design flaw, it is more likely that sexual selection has refined the external genitalia of each primate species for reproductive excellence.<ref name="cold-mcgrath">{{REFbook | ||
|last=Cold | |last=Cold | ||
|first=Christopher | |first=Christopher J. | ||
|author-link=Christopher J. Cold | |||
|last2=McGrath | |last2=McGrath | ||
|first2=Kenneth | |first2=Kenneth | ||