The Law of Heredity: A Study of the Cause of Variation, and the Origin of Living OrganismsJ. Murphy, 1883 - 336페이지 |
도서 본문에서
65개의 결과 중 1 - 5개
6 페이지
... true that we cannot perfectly understand this mech- anism , that in many cases we fail completely in our attempts to trace its working , and that in most cases our insight is very crude indeed . Still we are able to show that the ...
... true that we cannot perfectly understand this mech- anism , that in many cases we fail completely in our attempts to trace its working , and that in most cases our insight is very crude indeed . Still we are able to show that the ...
9 페이지
... true that it is not left quite to itself , but is carefully attended and cared for by other bees ; but everything which they do for it might be done just as well by delicate machinery , and the attention has no ten- dency whatever to ...
... true that it is not left quite to itself , but is carefully attended and cared for by other bees ; but everything which they do for it might be done just as well by delicate machinery , and the attention has no ten- dency whatever to ...
11 페이지
... true meaning , its hidden laws and causes . If it is true that , in each egg , all the functions and faculties of a definite mature animal lie hidden , without any corre- sponding organs , must we not regard heredity as a mys- tery too ...
... true meaning , its hidden laws and causes . If it is true that , in each egg , all the functions and faculties of a definite mature animal lie hidden , without any corre- sponding organs , must we not regard heredity as a mys- tery too ...
12 페이지
... true ; that in the law of natural selection we have at least a partial explanation of the origin of the adaptation of nature ; that while natural selection may not be the ex- clusive means by which they have been produced , it is , so ...
... true ; that in the law of natural selection we have at least a partial explanation of the origin of the adaptation of nature ; that while natural selection may not be the ex- clusive means by which they have been produced , it is , so ...
14 페이지
... true theory of heredity is discovered , it will , by revealing to us the laws and causes of variation , place the law of natural selection upon a firmer basis , and show that its apparent difficulties are simply due to the nar- row ...
... true theory of heredity is discovered , it will , by revealing to us the laws and causes of variation , place the law of natural selection upon a firmer basis , and show that its apparent difficulties are simply due to the nar- row ...
기타 출판본 - 모두 보기
자주 나오는 단어 및 구문
acquired action adult alike allied species ancestor ancestral form asexual asexual reproduction become birds body breed characteristics color common conclusion confined crossing crustacea Daphnia Darwin Darwin says descendants domesticated animals domesticated pigeons embryo epigenesis evolution existence experience explanation fact female fertilized fortuitous fowls functions furnishes gemmules genera genus germ germinative vesicle give rise gradually greatly hereditary homology horns hybrid hydroids hypothesis individual influence inherited insects latent male cell male element males of allied medusa ment modification natural selection offspring ordinary origin origin of species ovum pangenesis parent parthenogenesis peculiarities perfect phenomena plants plastidules plumage present produced pure race reasons for believing reciprocal crosses reproductive elements resemblance result secondary sexual characters sexes sexual elements sexual reproduction sexual selection similar simply striped structure tendency to vary theory of heredity throw off gemmules tion transmission transmit true variable various young