We publish this week an article by Dr. Lancelot Hogben
on the " Riddle of Sex " which deserves attention as a most luminous summary of modern biological inquiry into the determination of sex. The traditional doctrine that sex was decided in a haphazard manner as a result of prenatal incidents has gone by the board. It is replaced by the discovery that sex exists as an already established thing from the very moment which initiates the life-history of a new individual. Certainly there are apparent contradictions of this fact, since external influences do sometimes seem to affect sex, But these contradictions are only apparent. It is necessary for any uninformed person who wants to know why to read the article. The latest conclusions of biology are immensely significant and every reader of the article will be *able to guess what applications they may have. * * * *
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