Reproductive isolation in Caenorhabditis: terminal phenotypes of hybrid embryos

SUMMARY Several interspecific combinations of the “elegans” group of Caenorhabditis species are cross‐fertile. Most F1 hybrids from these crosses arrest during embryogenesis. Developmental defects observed in hybrid embryos include defects in gastrulation initiation, defects in embryonic compaction,...

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Bibliographic Details
Published inEvolution & development Vol. 2; no. 1; pp. 9 - 15
Main Authors Baird, Scott E., Yen, Wei-Chih
Format Journal Article
LanguageEnglish
Published Boston, MA, USA Blackwell Science Inc 01.01.2000
Subjects
Animals
Caenorhabditis elegans - embryology
Caenorhabditis elegans - genetics
Caenorhabditis elegans - physiology
Embryonic Development
Phenotype
Reproduction
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Summary:SUMMARY Several interspecific combinations of the “elegans” group of Caenorhabditis species are cross‐fertile. Most F1 hybrids from these crosses arrest during embryogenesis. Developmental defects observed in hybrid embryos include defects in gastrulation initiation, defects in embryonic compaction, and defects in embryonic elongation. These reproductive barriers have arisen multiple times in the evolution of Caenorhabditis.
Bibliography:istex:B4B9996266C2FDDBFE384CCF41DD93AC0B273860
ark:/67375/WNG-CJQDLZFH-V
ArticleID:EDE31
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1520-541X
1525-142X
DOI:10.1046/j.1525-142x.2000.00031.x