F2 generation, but with no regression of the same sort in a second F, containing twice-extracted hooded animals. So far from observing further regression as a result of the second cross with wild rats, we have unmistakable evidence that the movement of... Studies of inheritance in guinea-pigs and rats - 163 ページWilliam Ernest Castle 著 - 1916 - 192 ページ全文表示 - この書籍について
| 1918 - 488 ページ
...mean, mode, and range of variation was in the reverse direction. From these results Castle concludes, "So the hypothesis of modifying factors to account...changes observed under selection becomes untenable." I have repeated this same experiment with my flies, where I have demonstrated the presence of multiple... | |
| 1917 - 806 ページ
...regards regression in the first F2 generation, but with no regression of the same sort in a second F, containing twice-extracted hooded animals. So far...greatest racial purity and to inbreed the offspring brother with sister, thus precluding the possibility of introducing modifying factors from other sources.... | |
| 1917 - 832 ページ
...regards regression in the first F, generation, but with no regression of the same sort in a second F, containing twice-extracted hooded animals. So far...greatest racial purity and to inbreed the offspring brother with sister, thus precluding the possibility of introducing modifying factors from other sources.... | |
| Fernandus Payne - 1918 - 56 ページ
...mean, mode, and range of variation was in the reverse direction. From these results Castle concludes, "So the hypothesis of modifying factors to account...changes observed under selection becomes untenable." I have repeated this same experiment with my flies, where I have demonstrated the presence of multiple... | |
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