Drosophila

... individuals have a few mutations anyway. Let me give you an example from the 1950s (if I recall correctly). It was shown that two populations of Drosophila could be selected to have either more or less bristle hairs than the range of bristle hairs in the original population. In other words, a ...

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... cross or crosses, and how many generations, would it take to obtain true-breeding peacomb poultry? #2The autosomal genes Curly (C) and Plum (P) in Drosophila are independently segregating, phenotypically dominant mutations that are homozygous lethals. In other words, they have a distinct phenotype ...

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... more people?) [17] Francisco J. Ayala and Mario Coluzzi Colloquium Paper: Systematics and the Origin of Species: Chromosome speciation: Humans, Drosophila, and mosquitoes PNAS 2005 102:6535-6542; published online before print April 25, 2005, doi:10.1073/pnas.0501847102 http://www.pnas.org/content/102/suppl.1/6535.full

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... [17] Francisco J. Ayala and Mario Coluzzi Colloquium Paper: Systematics and the Origin of Species: Chromosome speciation: Humans, Drosophila, and mosquitoes PNAS 2005 102:6535-6542; published online before print April 25, 2005, doi:10.1073/pnas.0501847102 http://www.pnas.org/content/102/suppl.1/6535.full ...

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... References [17] Francisco J. Ayala and Mario Coluzzi Colloquium Paper: Systematics and the Origin of Species: Chromosome speciation: Humans, Drosophila, and mosquitoes PNAS 2005 102:6535-6542; published online before print April 25, 2005, doi:10.1073/pnas.0501847102 http://www.pnas.org/content/102/suppl.1/6535.full ...

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