Taboo and Genetics - A Study of the Biological, Sociological and Psychological Foundation of the Family by Melvin Moses Knight;Phyllis Mary Blanchard;Iva Lowther Peters
page 10 of 200 (05%)
page 10 of 200 (05%)
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PART I THE NEW BIOLOGY AND THE SEX PROBLEM IN SOCIETY BY M. M. KNIGHT, PH.D. CHAPTER I THE 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 simple definition. In an animal or plant individual it is expressed by and linked with the ability to produce egg- or sperm-cells (ova or spermatozoa). Sexual reproduction is simply the chain of events following the union of the egg and sperm to produce a new individual. Looked at from another angle, it is that sort of reproduction which requires two differentiated individuals: the male, which produces |
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