Extraordinary sex ratios in Blainville

Science01 Apr: DOI: April Price into their concept of the evolutionarily stable strategyi. Recommendations From Our Store. The whole topic of selfish genes and below individual level operation of selection i.

October Fisher's concept of parental expenditure now termed parental investmentdeveloped particularly by Robert Trivers is now an important concept in ecology. My Science Shop Strange Science. Hamilton's simulations show that extraordinary sex ratios in Blainville crashes occur much faster with Y sex ratio distorters.

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A group with the extraordinary sex ratios in Blainville female allocation and greater male mortality compared to the demographically stable resident cannot invade an empty environment. Methods General Assumptions In birds and butterflies sex determination follows the system. Each set of parameters identifies two runs: one with high and one with low initial invader extraordinary sex ratios in Blainville.

On the evolution of sex-ratio distortion. The frequency of such a gene may advance rapidly, endangering population persistence [11][12]. Location of Repository. Figure 9 shows a scenario where the invader has the same parameters as the open-habitat invasion in Figure 6.

October Ratio of males to females in a population. From reading Robert Trivers' own memories of his ideas during this period I note that Hamilton's papers were a significant influence. Get unlimited access when you subscribe. As the most celebrated argument in evolutionary biology , Edwards, , pp.

In modern language, the ratio is the evolutionarily stable strategy ESS.

Extraordinary sex ratios in Blainville

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  • Extraordinary Sex Ratios. A sex-ratio theory for sex linkage and inbreeding has new implications in cytogenetics and entomology. W. D. Hamilton. The two sexes​. Extraordinary sex ratios. A sex-ratio theory for sex linkage and inbreeding has new implications in cytogenetics and entomology. W D Hamilton. Search articles​.
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  • On occasion he even claims that in this particular area, sex ratio theory, evolutionary biology comes close to a level of precise certitude and. Extraordinary sex ratios. A sex-ratio theory for sex linkage and inbreeding has new implications in cytogenetics and entomology.
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  • Apr 28,  · Science 28 Apr Vol. , Issue , pp. DOI: /scienceCited by: Extraordinary Sex Ratios A sex-ratio theory for sex linkage and inbreeding has new implications in cytogenetics and entomology. W. D. Hamilton The two sexes are usually produced in approximately equal numbers. Fish- er (1) was the first to explain why, under natural selection, this should be so, irrespective of the particular mech- anism of sex.
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