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    The dynamics of the warm/cold system cannot be inferred f... — Carmelics
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    The dynamics of the warm/cold system cannot be inferred from a type recursion with equal fitness coefficients determined entirely by genetic drift

    Causation
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    1 reason for
    2 reasons against

    Reasons For

    1 perspective
    Reason for
    ?
    • 1.When fitnesses are equal, next-generation frequency is determined solely by the binomial sampling equation
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    • 2.The binomial sampling equation with equal fitnesses produces a normal, bell-shaped distribution of next-generation frequencies whose mean equals the initial frequency
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    • 3.The distribution of next-generation frequencies in the warm/cold system does not follow a normal, bell-shaped distribution
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    Reasons Against

    2 perspectives
    Reason against 1 of 2
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    • 1.A type recursion with equal fitness coefficients can embed environmental state variables that systematically bias sampling away from binomial symmetry.
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    • 2.If warm/cold states alter effective population size or sampling weights each generation, the recursion structure need not be reducible to simple drift even under fitness equality.
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    • 3.Gillespie's (1974) work on fluctuating selection shows that variance in fitness across environments can mimic drift while producing non-neutral long-run dynamics.
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    Reason against 2 of 2
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    • 1.The inference from distributional shape alone to causal mechanism commits the base-rate fallacy: multiple generative processes can produce identical marginal frequency distributions.
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    • 2.Lewontin and Kojima (1960) demonstrated that epistatic fitness interactions can produce population dynamics indistinguishable from neutral models at the level of allele frequencies alone.
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    Related

    A type recursion with equal fitness coefficients can embed environmental state v...Gillespie's (1974) work on fluctuating selection shows that variance in fitness ...If warm/cold states alter effective population size or sampling weights each gen...Lewontin and Kojima (1960) demonstrated that epistatic fitness interactions can ...
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    The binomial sampling equation with equal fitnesses produces a normal, bell-shap...The distribution of next-generation frequencies in the warm/cold system does not...The inference from distributional shape alone to causal mechanism commits the ba...When fitnesses are equal, next-generation frequency is determined solely by the ...

    Similar

    Disproving drift as the cause of gene frequency fluctuations does not ...77%Natural selection and genetic drift can be conceptually distinguished ...75%We can construct an evolutionary thought experiment where drift is abs...75%Type recursions require treating temporally variable selection as sele...74%

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    SEP: natural-selection
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    The dynamics of the warm/cold system cannot be inferred from a type recursion in which fitness coefficients are set equal and next-generation frequencies are determined entirely by the “drift” term, effective population size in the binomial sampling equation. When fitnesses are equal, the frequency of each type is determined solely by the binomial sampling equation above (since post-selection frequency, the input to the sampling equation, is just pre-selection frequency). Such a determination ma
    Extraction notes

    Validity: Extracted via Max plan + API grounding/validity checks

    Details

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    Perspectives
    3 (1 for, 2 against)
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    1 edit