Journal
HEREDITY
Volume 93, Issue 6, Pages 627-630Publisher
SPRINGERNATURE
DOI: 10.1038/sj.hdy.6800588
Keywords
effective population size; diploid male production; complementary sex determination; haplodiploid; Hymenoptera
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Complementary sex determination in the haplodiploid Hymenoptera leads to the production of inviable or effectively sterile diploid males when diploid progeny are homozygous at the sex-determining locus. The production of diploid males reduces the number of females in a population and biases the effective breeding sex ratio in favor of haploid males. This in turn will reduce the effective population size (N-e) of hymenopteran populations with complementary sex determination relative to the expected reductions due to haplodiploidy alone. The effects of diploid male production on N-e in hymenopterans with complementary sex determination when diploid males are either inviable or effectively sterile are assessed theoretically. In both models, low allelic diversity at the sex locus reduces the N-e of hymenopteran populations, and this effect is largest when diploid males are effectively sterile.
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