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Data from: Bet-hedging as a mechanism for the evolution of polyandry, revisited

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Research Data Australia2024-12-14 收录
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Females that mate with multiple males (polyandry) may reduce the risk that their eggs are fertilized by a single unsuitable male. About 25 years ago it was hypothesized that bet-hedging could function as a mechanism favoring the evolution of polyandry, but this idea is controversial because theory indicates that bet-hedging via polyandry can compensate the costs of mating only in small populations. Nevertheless, populations are often spatially structured, and even in the absence of spatial structure, mate choice opportunity can be limited to a few potential partners. We examined the effectiveness of bet-hedging in such situations with simulations carried out under two scenarios; (1) intrinsic male quality, with offspring survival determined by male phenotype (male's ability to generate viable offspring), and (2) genetic incompatibility (offspring fitness determined non-additively by parental genotypes). We find higher fixation probabilities for a polyandrous strategy compared to a monandrous strategy if complete reproductive failure due to male effects or parental incompatibility is pervasive in the population. Our results also indicate that bet-hedging polyandry can delay the extinction of small demes. Our results underscore the potential for bet-hedging to provide benefits to polyandrous females and have valuable implications for conservation biology.,Yasui and Garcia-Gonzalez polyandry bet-hedging raw dataAll simulation results described in the paperintrinsic male quality scenario (binomial quality distribution)Fujitsu F-BASIC for Windows V6.0 program source code for the intrinsic male quality scenario (binomial quality distribution)intrinsic male quality scenario (continuous quality distribution with SD0.167)Fujitsu F-BASIC for Windows V6.0 program source code for the intrinsic male quality scenario (continuous quality distribution)gametophytic genetic compatibility scenarioFujitsu F-BASIC for Windows V6.0 program source code for the genetic incompatibility scenario (gametophytic incompatibility)Instruction manual for simulation programsInstruction manual for 3 program filesInstruction_manual_for_simulation_programs.txt,

与多个雄性交配的雌性(一妻多夫制,polyandry)可降低其卵子被单一不合适雄性受精的风险。约25年前,有假说提出风险对冲(bet-hedging)可作为推动一妻多夫制演化的机制,但该观点颇具争议——理论研究显示,通过一妻多夫制实现的风险对冲仅能在小型种群中弥补交配的代价。不过,种群往往具有空间结构;即便不存在空间结构,配偶选择的机会也往往局限于少数潜在雄性个体。本研究针对此类场景下的风险对冲有效性展开模拟分析,设置了两种情景:(1) 雄性固有质量情景:后代存活率由雄性表型(即雄性产生可存活后代的能力)决定;(2) 遗传不相容性情景:后代适合度由亲本基因型以非加性方式决定。研究结果表明,若种群中普遍存在由雄性因素或亲本不相容性导致的完全生殖失败,那么一妻多夫策略的固定概率将高于单夫一妻策略。此外,本研究还发现,基于风险对冲的一妻多夫制可延缓小型同类群(deme)的灭绝。本研究结果突显了风险对冲为一妻多夫雌性带来收益的潜力,同时对保护生物学具有重要的借鉴意义。 本数据集相关内容如下: 1. Yasui与Garcia-Gonzalez 一妻多夫制(polyandry) 风险对冲(bet-hedging)原始数据 2. 论文中所述全部模拟结果 3. 固有雄性质量情景(二项式质量分布) 4. 适用于固有雄性质量情景(二项式质量分布)的Windows版Fujitsu F-BASIC V6.0程序源代码 5. 固有雄性质量情景(标准差为0.167的连续质量分布) 6. 适用于固有雄性质量情景(连续质量分布)的Windows版Fujitsu F-BASIC V6.0程序源代码 7. 配子体型遗传不相容情景 8. 适用于遗传不相容情景(配子体不相容)的Windows版Fujitsu F-BASIC V6.0程序源代码 9. 模拟程序使用手册 10. 3个程序文件配套使用手册 11. Instruction_manual_for_simulation_programs.txt
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