Science: v.1-v.219Moses King, 1958 |
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Стр. 1093
... genetic changes in. balanced polymorphism , in nature in some butterflies . More recent studies show that balanced polymorphism is more frequent than was formerly sus- pected . Natural populations of the flies Drosophila have yielded ...
... genetic changes in. balanced polymorphism , in nature in some butterflies . More recent studies show that balanced polymorphism is more frequent than was formerly sus- pected . Natural populations of the flies Drosophila have yielded ...
Стр. 1094
... genetic changes in a population of Drosophila pseudoobscura inhabiting a certain locality in California ( Piñon Flats on Mount San Jacinto ) . The heights of the columns indicate the average percentages of three different chromosomal ...
... genetic changes in a population of Drosophila pseudoobscura inhabiting a certain locality in California ( Piñon Flats on Mount San Jacinto ) . The heights of the columns indicate the average percentages of three different chromosomal ...
Стр. 1096
... genetic changes which seem to transcend the limits of micro- evolution , and for which I have sug- gested a tentative label of " mesoevolu- tion " ( 13 ) . Reference has already been made to natural selection in experimental popu ...
... genetic changes which seem to transcend the limits of micro- evolution , and for which I have sug- gested a tentative label of " mesoevolu- tion " ( 13 ) . Reference has already been made to natural selection in experimental popu ...
Содержание
GENERAL ZOOLOGY | 726 |
Chapter 13 | 837 |
The Evolution of Three | 855 |
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