The Journal of Heredity, 第 12 卷American Genetic Association, 1921 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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常見字詞
Agriculture aleurone American Genetic Association animals appearance average belted Berkshire birds breeders breeding bud sports bud variation Butter Boy butterfat calves cattle cent character cherimoya Coix color cotton cows cross cultivated Datura Datura metel Datura stramonium daughters Ecuador eggs endosperm Euchlaena eugenic experiments F₁ fact factors farm farmers feathers female feterita flowers fruit funifolia grade green grown growth Hengerveld heredity heterozygous human hybrids inbreeding individual inheritance interest Johanna JOURNAL OF HEREDITY kafir kernels King Segis Korndyke Lamarckiana latter leaf leaves lobe maize male mating mature ment mental mutant normal nose parents Paul DeKol pejibaye petiole photographs Pietertje pink pistil plants plumage pollen Pontiac pounds produced progeny purebred race seeds sheath shown shrunken silky sire skunk species strawberry stripes teosinte tests thyroid gland tion trees urban varieties wild
熱門章節
第 305 頁 - the number of aliens of any nationality who may be admitted under the immigration laws to the United States in any fiscal year shall be limited to 3 per centum of the number of foreign-born persons of such nationality resident in the United States as determined by the United States census of 1910.
第 71 頁 - The infant mortality rate (number of deaths of infants under 1 year of age per 1,000 born alive) is 87 in 1919 and is the lowest infant mortality rate on record in the birth registration area. Among the states these rates range from 63 in Oregon and Washington to 113 in South
第 469 頁 - Eugenics is the study of agencies under social control that may improve or impair the racial qualities of future generations, either physically or mentally.
第 463 頁 - The only sphere in which the Indian mind finds itself at liberty to act, to create, and to worship is the sphere of religion and philosophy, and nowhere have religious and metaphysical ideas struck root so deeply in the mind of a nation as in India. History supplies no second
第 90 頁 - Countries where there are fewer hindrances than in England, to a poor man rising in life, produce a much larger proportion of persons of culture, but not of what I call eminent men. [England and America are taken as
第 225 頁 - With this army experience it is no longer possible for any one to deny the validity of mental tests, even in case of group testing and when it comes to an individual examination by a trained psychologist, it cannot be doubted that the mental level of the individual is determined with marvelous exactness.
第 108 頁 - our civilization rests at bottom on the wholesomeness, the attractiveness, and the completeness, as well as the prosperity, of life in the country.
第 90 頁 - This seems to indicate that the mental similarities of children of the same parents are due primarily to heredity rather than to similarity of environment, since the resemblance is no greater in those traits, which are more directly affected by environment.
第 227 頁 - apply their very superior intelligence to the practical problem of social welfare and efficiency. "Lower intelligence will invariably and inevitably seek and follow the advice of higher intelligence so long as it has confidence in the individuals having the higher intelligence. That is a proposition so invariable as to be recognized as a law of human nature.
第 91 頁 - If we may generalize for life as a whole, equal opportunities for all do not produce equal abilities in all. Men may be born free politically; but they are not born equal mentally; they may be born equal in opportunities in a democratic society, but they certainly are not equal in their ultimate achievements in life.