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| THE EVOLUTION OF COSTLY MATE PREFERENCES .1. FISHER AND BIASED MUTATION |
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| Author(s): POMIANKOWSKI A, IWASA Y, NEE S |
| Source: EVOLUTION Volume: 45 Issue: 6 Pages: 1422-1430 Published: SEP 1991 |
| Times Cited: 233 References: 41 |
| Abstract: Fisher's runaway process is the standard explanation of the evolution of exaggerated female preferences. But mathematical formulations of Fisher's process (haploid and additive diploid) show it cannot cause stable exaggeration if female preference carries a cost. At equilibrium female fitness must be maximized. Our analysis shows that evolutionary stable exaggeration of female preference can be achieved if mutation pressure on the male character is biased, that is, mutation has a directional effect. At this equilibrium female fitness is not maximized. We discuss the reasons and evidence for believing that mutation pressure is typically biased. Our analysis highlights the previously unacknowledged importance of biased mutation for sexual selection. |
| Document Type: Article |
| Language: English |
Addresses:
1. ABRG, DEPT ZOOL, OXFORD OX1 3PS, ENGLAND
2. KYUSHU UNIV, FAC SCI, DEPT BIOL, FUKUOKA 812, JAPAN
3. AFRC, ECOL & BEHAV UNIT, DEPT ZOOL, OXFORD OX1 3PS, ENGLAND |
| Publisher: SOC STUDY EVOLUTION, 810 E 10TH STREET, LAWRENCE, KS 66044 |
| Subject Category: Ecology; Evolutionary Biology; Genetics & Heredity |
| IDS Number: GH359 |
| ISSN: 0014-3820 |
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| | | | | | | | | Record from Web of Science® | | | | | | | | | |