ScienceJohn Michels (Journalist) 1950 |
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Стр. 164
... selection is in this case elimination of the mutant and preservation of the orginal type of gene or organism , this form of selection is a conservative force . It has been called by Schmalhausen " stabilizing selection , " because it ...
... selection is in this case elimination of the mutant and preservation of the orginal type of gene or organism , this form of selection is a conservative force . It has been called by Schmalhausen " stabilizing selection , " because it ...
Стр. 165
... selection favored the spread of a type actually inferior to another type in viability between the egg and the adult stage , the second type being discriminated against by natural selection . The processes of mutation and natural selection ...
... selection favored the spread of a type actually inferior to another type in viability between the egg and the adult stage , the second type being discriminated against by natural selection . The processes of mutation and natural selection ...
Стр. 166
... selection is enacted . Nevertheless , natural selection involves a unique kind of interaction between the organism and the environment , the outcome of which depends upon both interacting variables . Similar environments therefore do ...
... selection is enacted . Nevertheless , natural selection involves a unique kind of interaction between the organism and the environment , the outcome of which depends upon both interacting variables . Similar environments therefore do ...
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Hambay | 22 |
Technical Papers | 29 |
Vallee and Marjorie H Soule | 41 |
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