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PMID: 1551573 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, P.H.S.

An empirical test of the meiotic drive models of hybrid sterility: sex-ratio data from hybrids between Drosophila simulans and Drosophila sechellia.

Genetics ·Vol. 130 ·No. 3 ·1992-03-00 ·Pages 507-11

Johnson NA, Wu CI

Abstract

Recently, there has been much discussion regarding the hypothesis that divergence of meiotic drive systems in isolated populations can generate the patterns of reproductive isolation observed in animal hybridizations. One prediction from this hypothesis is that the sex ratio of hybrids with heterospecific sex chromosomes should greatly deviate from the Mendelian expectation of 50% female. From sex-ratio data in our Drosophila hybridization studies, we find no such deviation: the sex ratio of offspring of males with introgressed heterospecific Y chromosomes with various autosomal backgrounds does not differ from that of the pure species. We also discuss other aspects of the current meiotic drive models.

MeSH Terms
Animals Crosses, Genetic Drosophila/cytology,genetics Female Genetic Linkage Hybridization, Genetic Male Meiosis/genetics Phenotype Reproduction/genetics Sex Ratio X Chromosome Y Chromosome
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Johnson N A
Department of Biology, University of Rochester, New York 14627.
Wu C I
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Article Info
Journal
Genetics
Abbr.
Genetics
ISSN
0016-6731
DOI
10.1093/genetics/130.3.507
Published
1992-03-00
Pages
507-11
Language
English
Region
United States
NLM ID
0374636
PMCID
PMC1204868
Subset
IM
Grants
NIGMS NIH HHS · 5 T32 GM 07102-14 · United States
NIGMS NIH HHS · GM39902 · United States
External Links
PubMed source DOI: 10.1093/genetics/130.3.507 PMC Full Text View journal details
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