Genetic divergence in M. Vetukhiv's experimental populations of Drosophila pseudoobscura 3. Divergence in Body Size
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چکیده
منابع مشابه
Mitochondrial gene divergence of Colombian Drosophila pseudoobscura.
Isolated populations of drosophila pseudoobscura, separated from North American populations by about 2,400 km, were found in Colombia in 1960. We compared for sequences of the small ribosomal RNA (srRNA) gene on the mitochondria between North American and Colombian D. pseudoobscura in order to clarify the age of the Colombian isolates. The North American populations were not genetically differe...
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G E N E T I C changes induced by ionizing radiations have been studied much more at the level of individuals than at that of populations. The information available on the frequencies of different types of changes induced by various kinds of radiation exposure is quite extensive, relative to our knowledge of the destinies of these changes in the gene pool of the populations in which they OCcur. ...
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چکیده ندارد.
Temperature-Related Divergence in Experimental Populations of DROSOPHILA MELANOGASTER. I. Genetic and Developmental Basis of Wing Size and Shape Variation.
The effects of environmental temperature on wing size and shape of Drosophila melanogaster were analyzed in populations derived from an Oregon laboratory strain kept at three temperatures (18 degrees , 25 degrees , 28 degrees ) for 4 yr. Temperature-directed selection was identified for both wing size and shape. The length of the four longitudinal veins, used as a test for wing size variations ...
متن کاملA comparison of the genetic basis of wing size divergence in three parallel body size clines of Drosophila melanogaster.
Body size clines in Drosophila melanogaster have been documented in both Australia and South America, and may exist in Southern Africa. We crossed flies from the northern and southern ends of each of these clines to produce F(1), F(2), and first backcross generations. Our analysis of generation means for wing area and wing length produced estimates of the additive, dominance, epistatic, and mat...
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ژورنال
عنوان ژورنال: Genetical Research
سال: 1966
ISSN: 0016-6723,1469-5073
DOI: 10.1017/s0016672300009666