Article
Molecular evidence for ancient asexuality in timema stick insects.
Current biology : CB - 12 Jul 2011
Schwander Tanja, Henry Lee, Crespi Bernard J
Abstract excerpt
Asexuality is rare in animals in spite of its apparent advantage relative to sexual reproduction, indicating that it must be associated with profound costs [1-9]. One expectation is that reproductive advantages gained by new asexual lineages will be quickly eroded over time [3, 5-7]. Ancient asexual taxa that have evolved and adapted without sex would be "scandalous" exceptions to this rule, but it is often...
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