File:Drosophila speciation experiment.svg
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[edit] 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 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
Note: "eight or more generations pass" is not found in the original image but is cited in speciation from Dodd, D.M.B. (1989) "Reproductive isolation as a consequence of adaptive divergence in Drosophila pseudoobscura." Evolution 43:1308–1311.
[edit] Licensing
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I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:27, 6 January 2009 | | 600 × 235 (197 KB) | Ilmari Karonen | Reverted to version as of 03:07, 23 March 2008; "separate species, no interbreeding" is indeed wrong, see the original study |
| 00:02, 6 January 2009 |  | 600 × 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 March 2008 |  | 600 × 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 September 2006 |  | 600 × 235 (197 KB) | Fastfission | inbreeding -> interbreeding | |
| 17:56, 20 August 2006 |  | 600 × 235 (197 KB) | Fastfission | try again | |
| 17:54, 20 August 2006 |  | 600 × 235 (217 KB) | Fastfission | == 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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