レビュー - レビューを書く
他の版 - すべて表示
American Breeders American Genetic Association animal breeding appears birds birth breeders Bribri Bureau of Plant California cells characters chromosomes color cotyledon Crataegus cross DAVID FAIRCHILD Department of Agriculture early eggs Eugenics Eugenics Record Office evidence evolution experiment fact factors female fertile flowers Francis Galton FREDERICK ADAMS fruit geneticists girls hair horses human hybrid immigration inbreeding individual inheritance interesting Island Journal of Heredity large number lobes Loganberry male marriage mating Mendelian ment mental mother mule nature Navel orange normal nuts offspring orange parents PAUL POPENOE pear Persian walnut Photograph Plant Breeding Plant Industry pollen practical prepotency present probably produced Professor propagation race records Secretary seed seedlings selection shown sires sorrel species sterile tion traits trees U. S. Department United University variation varieties W. E. CASTLE walnut Washington wheat York young
482 ページ - the study of agencies under social control that may improve or impair the racial qualities of future generations, either physically or mentally.
517 ページ - Huxley, in the opinion of most competent judges, has conclusively shewn that in every visible character man differs less from the higher apes, than these do from the lower members of the same order of Primates.
259 ページ - If iron is heavier than water, write the larger number here But if iron is lighter write the smaller number here Show by a cross when the nights are longer: in summer? in winter? Give the correct answer to this question: "Does water run uphill?
401 ページ - Office of Foreign Seed and Plant Introduction, United States Department of Agriculture, Washington, DC...
285 ページ - Had there been no interruption, the body of new ideas and feelings next excited would have sufficed to absorb the whole of the liberated nervous energy. But now this large amount of nervous energy, instead of being allowed to expend itself in producing an equivalent amount of the new thoughts and emotions which were nascent, is suddenly checked in its flow.
259 ページ - FGHIJ, and a comma after the longest of these three words: boy mother girl. Then, if Christmas comes in March, make a cross right here , but if not pass along to the next question and tell where the sun rises...
530 ページ - Psychiatric Clinic. Johns Hopkins Hospital. Baltimore. Md. CHARLES B. DAVENPORT. Secretary, Director Department of Experimental Evolution (Carnegie Institution of Washington), Cold Spring Harbor, Long Island, NY STEPHEN P.