Autosomal variation for male body size and sperm competition phenotypes is uncorrelated in Drosophila melanogaster

Correlations between male body size and phenotypes impacting post-copulatory sexual selection are commonly observed during the manipulation of male body size by environmental rearing conditions. Here, we control for environmental influences and test for genetic correlations between natural variation...

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Bibliographic Details
Published in:Biology letters (2005) 2008-10, Vol.4 (5), p.500-503
Main Authors: Zhang, Rui, Amah, Linda, Fiumera, Anthony C
Format: Article
Language:English
Subjects:
Animals
Body Size
Chromosomes
Drosophila melanogaster
Drosophila melanogaster - physiology
Evolutionary Biology
Female
Genetic Correlation
Genetic Variation
Inheritance Patterns
Male
Male Body Size
Phenotype
Post-Copulatory Sexual Selection
Selection, Genetic
Sperm Competition
Spermatozoa - physiology
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Summary:Correlations between male body size and phenotypes impacting post-copulatory sexual selection are commonly observed during the manipulation of male body size by environmental rearing conditions. Here, we control for environmental influences and test for genetic correlations between natural variation in male body size and phenotypes affecting post-copulatory sexual selection in Drosophila melanogaster. Dry weights of virgin males from 90 second-chromosome and 88 third-chromosome substitution lines were measured. Highly significant line effects (p
ISSN:1744-9561
1744-957X
DOI:10.1098/rsbl.2008.0283