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Gene flow and selection balance in haplodiploid social insects

Gene flow and selection balance in haplodiploid social insects
Gene flow and selection balance in haplodiploid social insects
Understanding the joint effects of gene flow and selection is one of the more important but difficult areas of evolutionary genetics. A
method is presented to describe cases of gene flow-selection balance
while accounting for the life history of haplodiploid social insects
(eusocial Hymenoptera). A continent-island model is used to estimate
gene flow rates from allele frequency data and provide variance
formulae. The occurrence of unequal yet stable allele frequencies among
social insect castes is explained and the usefulness of models with
discrete generations for eusocial insects is explained. Gene flow and
selection balance has been demonstrated for the file ant Solenopsis
invicta at two allozyme loci. This continent-island model gives results
that well describe the system. Issues fundamental to the differences
between X-linked and haplodiploid genetic systems and diploid genetic
systems are also discussed.
gene flow, haplodiploid, Hymenoptera, migration, selection, Solenopsis invicta
0018-067X
530-538
Parker, J.D.
34055903-007a-42d0-b1af-2717f217ab41
Hedrick, P.W.
41cdb5ca-5f25-49d3-aa55-8dae884f1b99
Parker, J.D.
34055903-007a-42d0-b1af-2717f217ab41
Hedrick, P.W.
41cdb5ca-5f25-49d3-aa55-8dae884f1b99

Parker, J.D. and Hedrick, P.W. (2000) Gene flow and selection balance in haplodiploid social insects. Heredity, 85 (6), 530-538. (doi:10.1046/j.1365-2540.2000.00778.x).

Record type: Article

Abstract

Understanding the joint effects of gene flow and selection is one of the more important but difficult areas of evolutionary genetics. A
method is presented to describe cases of gene flow-selection balance
while accounting for the life history of haplodiploid social insects
(eusocial Hymenoptera). A continent-island model is used to estimate
gene flow rates from allele frequency data and provide variance
formulae. The occurrence of unequal yet stable allele frequencies among
social insect castes is explained and the usefulness of models with
discrete generations for eusocial insects is explained. Gene flow and
selection balance has been demonstrated for the file ant Solenopsis
invicta at two allozyme loci. This continent-island model gives results
that well describe the system. Issues fundamental to the differences
between X-linked and haplodiploid genetic systems and diploid genetic
systems are also discussed.

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More information

Published date: December 2000
Keywords: gene flow, haplodiploid, Hymenoptera, migration, selection, Solenopsis invicta

Identifiers

Local EPrints ID: 143681
URI: https://eprints.soton.ac.uk/id/eprint/143681
ISSN: 0018-067X
PURE UUID: e18ddef2-16dc-4c77-afe2-f4185ac92541

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Date deposited: 21 Jul 2010 09:31
Last modified: 18 Jul 2017 23:09

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Contributors

Author: J.D. Parker
Author: P.W. Hedrick

University divisions

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