Darwiniana: Essays |
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As I have said in the seventh essay, the fact of evolution is to my mind sufficiently
evidenced by palaeontology; and I remain of the opinion expressed in the
second, that until selective breeding is definitely proved to give rise to varieties
infertile ...
As I have said in the seventh essay, the fact of evolution is to my mind sufficiently
evidenced by palaeontology; and I remain of the opinion expressed in the
second, that until selective breeding is definitely proved to give rise to varieties
infertile ...
44 ÆäÀÌÁö
to be obvious; for if, as the result of spontaneous variation and of selective
breeding, the progeny of a common stock may become separated into groups
distinguished from one another by constant, not sexual, morphological characters
, it is ...
to be obvious; for if, as the result of spontaneous variation and of selective
breeding, the progeny of a common stock may become separated into groups
distinguished from one another by constant, not sexual, morphological characters
, it is ...
74 ÆäÀÌÁö
... fact—have been so produced over and over again; but there is no positive
evidence, at present, that ony group of animals has, by variation and selective
breeding, given rise to another group which was, even in the least degree,
infertile with ...
... fact—have been so produced over and over again; but there is no positive
evidence, at present, that ony group of animals has, by variation and selective
breeding, given rise to another group which was, even in the least degree,
infertile with ...
222 ÆäÀÌÁö
... the question, found, in the principle of selective breeding, pursued in all its
applications with marvellous knowledge and skill by Mr. Darwin, a valid
explanation of the occurrence of varieties and races; and. 222 EVOLUTION IN
BIOLOGY VI.
... the question, found, in the principle of selective breeding, pursued in all its
applications with marvellous knowledge and skill by Mr. Darwin, a valid
explanation of the occurrence of varieties and races; and. 222 EVOLUTION IN
BIOLOGY VI.
411 ÆäÀÌÁö
A still more striking case of what may be done by selective breeding, and it is a
better case, because there is no chance of that partial infusion of error to which I
alluded, has been studied very carefully by Mr. Darwin-the case of the domestic ...
A still more striking case of what may be done by selective breeding, and it is a
better case, because there is no chance of that partial infusion of error to which I
alluded, has been studied very carefully by Mr. Darwin-the case of the domestic ...
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able action adapted admit animals appears authority become believe better body breed called causes changes character common complete consider course creation cross Darwin deposited direct distinct doctrine doubt effect evidence evolution existence experiments expression fact favour force forms further germ give given groups hand horse hypothesis important influence kind knowledge known laws less living matter means mind modification natural natural selection objections observation once operation opinion organic Origin of Species parent particular persons phenomena plants position possible present principles probably produced Professor prove question races reason record relations remains remarkable respect result scientific selective breeding sense similar sort structure suppose term theory thing thought tion true variation varieties vary views whole writer