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An experiment demonstrating allopatric speciation in the fruit fly (Drosophila pseudoobscura) conducted by Diane Dodd. A single population of flies was divided into two, with one of the populations fed with starch-based food and the other with maltose-based food. After the populations had diverged over many generations, the groups were again mixed; it was observed that the flies continued to prefer mating with others from the same original population.

Edited in Inkscape by User:Fastfission based on versions by User:BenB4 (Image:Speciation experiment.svg) from Ilmari Karonen's Image:Drosophila speciation.svg, based on http://evolution.berkeley.edu/evolibrary/images/evo/drosophila_experiment.gif from http://evolution.berkeley.edu/evolibrary/article/0_0_0/evo_45
Petsa 20 Agosto 2006 (original upload date)
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Drosophila speciation experiment

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Araw/OrasThumbnailMga dimensiyontagagamitKumento
ngayon06:34, 3 Nobyembre 2012Thumbnail para sa bersyon noong 06:34, 3 Nobyembre 2012600 × 235 (237 KB)QqnomeUnlike the previous version, "eight or more generations pass" is not found in the original paper: Dodd, D.M.B. (1989) "Reproductive isolation as a consequence of adaptive divergence in Drosophila pseudoobscura." Evolution 43:1308–1311. Dodd's paper s...
04:27, 6 Enero 2009Thumbnail para sa bersyon noong 04:27, 6 Enero 2009600 × 235 (197 KB)Ilmari KaronenReverted to version as of 03:07, 23 March 2008; "separate species, no interbreeding" is indeed wrong, see the original study
00:02, 6 Enero 2009Thumbnail para sa bersyon noong 00:02, 6 Enero 2009600 × 235 (197 KB)HowDoIUseUnifiedLogin?rv to 19 Sep 2006 per http://commons.wikimedia.org/w/index.php?title=Commons:Graphic_Lab_School/Images_to_improve&oldid=17442932#Please_change_text_back_to_original_version
03:07, 23 Marso 2008Thumbnail para sa bersyon noong 03:07, 23 Marso 2008600 × 235 (197 KB)Chkno== Summary == An experiment demonstrating allopatric speciation in the fruit fly (''Drosophila pseudoobscura'') conducted by Diane Dodd. A single population of flies was divided into two, with one
18:40, 19 Setyembre 2006Thumbnail para sa bersyon noong 18:40, 19 Setyembre 2006600 × 235 (197 KB)Fastfission~commonswikiinbreeding -> interbreeding
17:56, 20 Agosto 2006Thumbnail para sa bersyon noong 17:56, 20 Agosto 2006600 × 235 (197 KB)Fastfission~commonswikitry again
17:54, 20 Agosto 2006Thumbnail para sa bersyon noong 17:54, 20 Agosto 2006600 × 235 (217 KB)Fastfission~commonswiki== Summary == An experiment demonstrating allopatric speciation in the fruit fly (''Drosophila pseudoobscura'') conducted by Diane Dodd. A single population of flies was divided into two, with one

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