The Journal of Heredity, Band 10American Genetic Association, 1919 The journal discusses articles on gene action, regulation, and transmission in both plant and animal species, including the genetic aspects of botany, cytogenetics and evolution, zoology, and molecular and developmental biology. |
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Häufige Begriffe und Wortgruppen
ability Agriculture American Genetic Association animals appear Arracacha assortative mating average awns Barbour Lathrop beans breeders brindle broods bud variation Camerarius cane cells characters Chinese color color blind crop cross date palm David Fairchild defective democracy early endosperm Eugenics Eugenics Record Office evidence experiments fact factors fawn female fertile flowers forms FREDERICK ADAMS fruits glumes growing grown harlequin Hawaii Hawaiian hereditary hybrid identical immigration individual inheritance interest Japanese Journal of Heredity Koelreuter leaves Madison Grant maize male married matings ment mental mutation nature normal obtained Olneya pair parent photographs pigment plant breeding pollen polyembryony population Portuguese possible produced propositus prune race rachis ratio resemblance seedlings seeds segregation selection similar social species strains striped tion traits trees true wild twins varieties vegetable wild type wild wheat women yellow
Beliebte Passagen
Seite 406 - the study of agencies under social control that may improve or impair the racial qualities of future generations, either physically or mentally.
Seite 77 - Fruits, vegetables, cereals, and other plant products imported for medicinal, food, or manufacturing purposes, and field, vegetable, and flower seeds. The...
Seite 186 - The schedules relating to population shall include for each inhabitant the name, place of abode, relationship to «head of family, color, sex, age, conjugal condition, place of birth, place of birth of parents, nationality or mother tongue of all...
Seite 187 - Census of 1920, and in all future censuses, for recording the name of the father and the maiden name of the mother of every person enumerated.
Seite 94 - ... mighty tumuli, designed to mark the end of departed greatness. Midway between them the river Euphrates, wending her silent course towards the sea, is lost amid the extensive date-groves which conceal from sight the little Arab town of Hillah. All else around is a blank waste, recalling the words of Jeremiah : ' Her cities are a desolation, a dry land and a wilderness, a land wherein no man dwelleth, neither doth any son of man pass thereby.
Seite 109 - Of course the euthenist1 says at once that these immigrants are improved. We may grant that, although the improvement is probably much exaggerated. You cannot make bad stock into good by changing its meridian, any more than you can turn a cart-horse into a hunter by putting it into a fine stable, or make a mongrel into a fine dog by teaching it tricks.
Seite 216 - Lycium, digitalis, nicotiana, datura, and lobelia, were the chief plants with which he worked successfully, and as I have found nothing in his reports to the best of my recollection opposed to my own general observations, it is unnecessary to state more concerning his mules than the fact, that he was the father of such experiments. They do not seem to have been at all followed up by others, or to have attracted the attention of cultivators or botanists as they ought to have done; and nothing else...
Seite 77 - Nuts, including palm seeds, for propagation. (5) Seeds of fruit, forest, ornamental and shade trees, seeds of deciduous and evergreen ornamental shrubs and seeds of hardy perennial plants.
Seite 408 - An exact determination of the laws of heredity will probably work more change in man's outlook on the world, and in his power over nature, than any other advance in natural knowledge that can be foreseen.
Seite 410 - DAVID FAIRCHILD, Agricultural Explorer in Charge of Foreign Seed and Plant Introduction, Bureau of Plant Industry, US Department of Agriculture, Washington, DC ARTHUR W.