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- W2895528639 endingPage "772" @default.
- W2895528639 startingPage "761" @default.
- W2895528639 abstract "Males and females often maximize fitness by pursuing different reproductive strategies, with males commonly assumed to benefit more from increased resource allocation into current reproduction. Such investment should trade off with somatic maintenance and may explain why males frequently live shorter than females. It also predicts that males should experience faster reproductive aging. Here we investigate whether reproductive aging and life span respond to condition differently in male and female Drosophila melanogaster, as predicted if sexual selection has shaped male and female resource-allocation patterns. We manipulate condition through genetic quality by comparing individuals inbred or outbred for a major autosome. While genetic quality had a similar effect on condition in both sexes, condition had a much larger general effect on male reproductive output than on female reproductive output, as expected when sexual selection on vigor acts more strongly on males. We find no differences in reproductive aging between the sexes in low condition, but in high condition reproductive aging is relatively faster in males. No corresponding sex-specific change was found for life span. The sex difference in reproductive aging appearing in high condition was specifically due to a decreased aging rate in females rather than any change in males. Our results suggest that females age slower than males in high condition primarily because sexual selection has favored sex differences in resource allocation under high condition, with females allocating relatively more toward somatic maintenance than males." @default.
- W2895528639 created "2018-10-12" @default.
- W2895528639 creator A5006441285 @default.
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- W2895528639 creator A5040837754 @default.
- W2895528639 creator A5049719216 @default.
- W2895528639 creator A5056250500 @default.
- W2895528639 date "2018-12-01" @default.
- W2895528639 modified "2023-09-26" @default.
- W2895528639 title "Genetic Quality Affects the Rate of Male and Female Reproductive Aging Differently in <i>Drosophila melanogaster</i>" @default.
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- W2895528639 doi "https://doi.org/10.1086/700117" @default.
- W2895528639 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30444654" @default.