Phyllis Mary Blanchard

Phyllis Mary Blanchard
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Author's Books:


CHAPTER ITHE PROBLEM DEFINED What is sex? Asexual and mixed reproduction; Origin of sexual reproduction; Advantage of sex in chance of survival; Germ and body cells; Limitations of biology in social problems; Sex always present in higher animals; Sex in mammals; The sex problem in the human species; Application of laboratory method. Sex, like all complicated phenomena, defies being crowded into a... more...