Hereditary Traits Quotes



Though a great early science, he was ignorant of the many non-genetic factors that could cause deformities in children ranging from nutritional deficiency to improper delivery techniques. Even in the genetic area he had no inkling of mutations where deformities develop and have NOTHING to do with either parent’s genetic history. Last, he did not realize that a large proportion of all pregnancies abort before the mother even realizes that she was pregnant.


In one of the disgraces of American history, there was then an active Eugenics movement that advocated forced sterilization of people who were “unfit” to bear children. Over 20 states sterilized tens of thousands of American citizens who did not meet the “standards” of the state authorities who set the criteria of fitness. Sanger was one of those who called the implementation of Eugenics into question. However, note that even she accepted the notion of forced sterilization of mentally retarded people. Ironically, while some types of mental defects are heredity determined, others are not. The issue is a slippery slope under any conditions.