Tales of two snails: sexual selection and sexual conflict in Lymnaea stagnalis and Helix aspersa

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Tales of two snails: sexual selection and sexual conflict in Lymnaea stagnalis and Helix aspersa.

Sexual selection and sexual conflict have been shown to play key roles in the evolution of species with separate sexes. Experimental evidence is accumulating that this is also true for simultaneous hermaphrodites. For example, many species of land snails forcefully stab their mating partners with love darts. In the brown garden snail (Helix aspersa, now called Cantareus asperses), this dart inc...

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The problem of the structure of complex proteins containing carbohydrates in their molecule is still a subject of discussion. The fundamental questions which have been debated during the last decades and which have been the subject of many controversies are concerned with the nature of the carbohydrate group present in the molecule of these substances. Since the discovery of mucoproteins or muc...

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Mechanisms underlying sexual selection and sexual conflict in Drosophila melanogaster

The revelation that females o f many taxa mate with multiple males has broadened perspectives in sexual selection to encompass the study o f conflicts of interest between males and females over mating and reproduction. Conflict often exists between the sexes over reproductive decisions such as how often to mate, because the optimum mating rate may often be higher for males than for females. Sel...

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Sexual conflict, sexual selection, and genetic variance in fitness

Grieshop, K. 2017. Sexual conflict, sexual selection, and genetic variance in fitness. Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology 1538. 38 pp. Uppsala: Acta Universitatis Upsaliensis. ISBN 978-91-513-0022-1. Understanding sex-specific genetic variance for fitness is of fundamental importance to our understanding of evolution. This thesis ...

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The relationship between sexual selection and sexual conflict.

Evolutionary conflicts of interest arise whenever genetically different individuals interact and their routes to fitness maximization differ. Sexual selection favors traits that increase an individual's competitiveness to acquire mates and fertilizations. Sexual conflict occurs if an individual of sex A's relative fitness would increase if it had a "tool" that could alter what an individual of ...

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ژورنال

عنوان ژورنال: Integrative and Comparative Biology

سال: 2006

ISSN: 1540-7063,1557-7023

DOI: 10.1093/icb/icj040