| 1919 - 580 頁
...researches, absolutely unknown. The state of knowledge in that regard is well exemplified by Darwin's remark, That the act of crossing in itself gives an impulse...characters, has never, I believe been hitherto proved (Ic, 2:13). Darwin recognized, as did most of the breeders before Mendel, that As a general rule, crossed... | |
| Charles Darwin - 1876 - 544 頁
...often revert to both or to one of their parent- forms, after an interval of from two to seven or eight, or, according to some authorities, even a greater...itself gives an impulse towards reversion, as shown by tho reappearance of long-lost characters, has never, I believe, been hitherto proved. The proof lies... | |
| Lewis Wright - 1885 - 698 頁
...often revert to one or both of their parent forms, after an interval of from two to seven or eight, or, according to some authorities, even a greater...gives an impulse towards reversion, as shown by the appearance of long-lost characters, has never I believe been hitherto proved. The proof lies in certain... | |
| American Association for the Advancement of Science - 1886 - 684 頁
...direct cause of Reversion," and says: "But that the act of crossing in itself gives an impulse toward reversion, as shown by the reappearance of long-lost...characters, has never, I believe, been hitherto proved." His line of evidence, however, is different from that here presented, and embraces a different series... | |
| American Association for the Advancement of Science - 1886 - 692 頁
...direct cause of Reversion," and says : " But that the act of crossing in itself gives an impulse toward reversion, as shown by the reappearance of long-lost...characters, has never, I believe, been hitherto proved." His line of evidence, however, is different from that here presented, and embraces a different series... | |
| Charles Darwin - 1887 - 528 頁
...often revert to both or to one of their parent-forms, after an interval of from two to seven or eight, or, according to some authorities, even a greater...proof lies in certain peculiarities, which do not characterise the immediate parents, and therefore cannot have been derived from them, frequently appearing... | |
| Robert Wallace - 1888 - 546 頁
...red, becoming black afterwards ; and the mouse-coloured foal of a chestnut mare may become chestnut. " The act of crossing in itself gives an impulse towards reversion," as seen by characters appearing in the young that had not been seen in either pure breed for generations.... | |
| Charles Darwin - 1890 - 532 頁
...often revert to both or to one of their parent- forms, after an interval of from two to seven or eight, or, according to some authorities, even a greater...proof lies in certain peculiarities, which do not characterise the immediate parents, and therefore cannot have been derived from them, frequently appearing... | |
| Charles Darwin - 1896 - 734 頁
...often revert to both or to one of their parent forms, after an interval of from two to seven or eight, or, according to some authorities, even a greater...towards reversion, as shown by the reappearance of long- lost characters, has never, I believe, been hitherto proved. The proof lies in certain peculiarities,... | |
| 1899 - 1030 頁
...often revert to both or to one of their parent forms, after an interval of from two to seven or eight, or, according to some authorities, even a greater...that the act of crossing in itself gives an impulse toward reversion, as shown by the reappearance of long-lost characters, has never, I believe, been... | |
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