Sex determination in the hymenoptera.

Sex determination in the hymenoptera. Research Abstract Details 

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Sex determination in the hymenoptera. Abstract Text:

George E Heimpel,Jetske G de Boer,George E Heimpel,Jetske G de Boer,

The dominant and ancestral mode of sex determination in the Hymenoptera is arrhenotokous parthenogenesis, in which diploid females develop from fertilized eggs and haploid males develop from unfertilized eggs. We discuss recent progress in the understanding of the genetic and cytoplasmic mechanisms that make arrhenotoky possible. The best-understood mode of sex determination in the Hymenoptera is complementary sex determination (CSD), in which diploid males are produced under conditions of inbreeding. The gene mediating CSD has recently been cloned in the honey bee and has been named the complementary sex determiner. However, CSD is only known from 4 of 21 hymenopteran superfamilies, with some taxa showing clear evidence of the absence of CSD. Sex determination in the model hymenopteran Nasonia vitripennis does not involve CSD, but it is consistent with a form of genomic imprinting in which activation of the female developmental pathway requires paternally derived genes. Some other hymenopterans are not arrhenotokous but instead exhibit thelytoky or paternal genome elimination.

Sex determination in the hymenoptera. Publishing Authors By Initials

GE Heimpel,JG de Boer,GE Heimpel,JG de Boer,

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Sex determination in the hymenoptera. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Annual review of entomology

VOLUME: 53

Page Numbers: 209-30

Journal Abbreviation: Annu. Rev. Entomol.

ISSN: 0066-4170

DAY: 10

MONTH: 12

YEAR: 2008

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LANGUAGE: eng

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AFFILIATION: 1Department of Entomology, University of Minnesota, St. Paul, Minnesota; email: heimp001@umn.edu , 2Centre for Ecological and Evolutionary Studies, Biological Centre, University of Groningen, 9751 NN Haren, The Netherlands.

Country: United States

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MEDLINETA: Annu Rev Entomol

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