The Heredity of Richard Roe: A Discussion of the Principles of Eugenics |
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action activity ages ancestors ancestry animals appear average become better blood body born breeding bring called cause cell characteristics characters charity child civilization common competition crétin defective degeneration dependent descendants determiner disease dominant effect effort elements England environment Eugenics evil existence experience fact father force germ germ cell give goître growth half hand hereditary heredity higher human individual influence inheritance kind lack lead less lineage lines live lower mating means ment mental mind mother Nature nerve nervous never Nurture offspring organs parasitic parents pauperism plants poor possibilities produce qualities race recessive records relation result Richard Roe says selection simple social strength strong thing thought thousand tion true unit weakness whole women