Скачать с ютуб EUGENICS | TAMIL | STD 12 | PRINCIPLES OF INHERITANCE AND VARIATION | ZOOLOGY в хорошем качестве

EUGENICS | TAMIL | STD 12 | PRINCIPLES OF INHERITANCE AND VARIATION | ZOOLOGY

#eugenics #sriparamakalyanischool #alwarkurichi Application of the laws of genetics for the improvement of human race is called eugenics. The term eugenics means “well born” and was coined by Francis Galton in 1885. For the betterment of future generations it is necessary to increase the population of outstanding people and to decrease the population of abnormal and defective people by applying the principles of eugenics. Two methods of Eugenics (i) Constructive method or Positive eugenics (ii) Restrictive method or Negative eugenics Positive eugenics attempts to increase consistently better or desirable germplasm and to preserve the best germplasm of the society. The desirable traits can be increased by adopting the following measures: (i) Early marriage of those having desirable traits (ii) Subsiding the fit and establishing sperm and egg banks of precious germplasm (iii) Educating the basic principles of genetics and eugenics (iv) Improvement of environmental conditions (v) Promotion of genetic research Negative Eugenics attempts to eliminate the defective germplasm of the society by adopting the following measures: (i) Sexual separation of the defectives (ii) Sterilization of the defectives (iii) Control of immigration and (iv)Regulation of marriages