THE EVOLUTION OF SEX

被引：32

作者：

ROUGHGARDEN, J ^{[1
]}

机构：

[1] STANFORD UNIV, DEPT GEOPHYS, STANFORD, CA 94305 USA

来源：

AMERICAN NATURALIST | 1991年 / 138卷 / 04期

关键词：

D O I：

10.1086/285261

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

The cost of sexual reproduction is material used to produce sperm that is unavailable for eggs. Producing sperm causes a decline in a species' growth rate. This cost of sex evolves as a result of sperm-sperm competition, and its magnitude depends on the ratio of monogamous to promiscuous matings. The benefit of sexual reproduction is a higher long-term growth rate in a fluctuating environment. This benefit exists because a sexual population has a less variable growth rate from generation to generation than an asexual population under the same conditions. The benefit of sex may exceed the cost of sex.

引用

页码：934 / 953

页数：20

共 34 条

[1]

Bell G., 1982, MASTERPIECE NATURE

[2] THE MOLECULAR-BASIS OF THE EVOLUTION OF SEX [J].