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Re: Daphnia generations
Bill, I have kept a dozen different varieties of Daphnia over the years, and I noticed plasticity, adaptation, change within weeks of starting up the majority of them. It could be that in those, that although the daughters would be clones of their mothers, there could be a large pool of original mothers, giving lots of genetic variety at the start. Also I have been able to find a male or two almost any time of the year if I look carefully. I suspect that some sexual reproduction may be going on simultaneously with the asexual in those varieties that adapt or change quickly.
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