ANALYTICAL MODEL FOR A SHORT-TERM ADVANTAGE FOR SEX

被引：28

作者：

TAYLOR, PD

机构：

[1] Department of Mathematics and Statistics, Queen's University, Kingston

来源：

JOURNAL OF THEORETICAL BIOLOGY | 1979年 / 81卷 / 03期

关键词：

D O I：

10.1016/0022-5193(79)90044-4

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

An analytical treatment is given for a model of Maynard Smith in which a short-term advantage for sex and recombination is provided by the mechanism of sib-competition. Suppose the next generation is formed by the winners of a large number of contests. Suppose a number of parents each contribute M offspring to a given contest, but the offspring of an asexual parent are identical whereas those of a sexual parent are distributed with some variance. If M is large there is a high probability that a sexual offspring will have a high enough fitness to win the contest. Calculations show that values of M around 3 and 4 are generally enough for sexual behaviour to overcome its two-fold disadvantage. © 1979.

引用

页码：407 / 421

页数：15

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