Correlations among size-related traits affected by chromosome inversions in Drosophila buzzatii: The comparison within and across environments

Genetic variation in correlations among size-related traits of head, thorax, and wines was examined in Drosophila buzzatii by comparing the pattern of the Phenotypic Correlation Matrix (R(p)) between inversion karyotypes of the second chromosome. No similarity in R(p) was observed between some karyo...

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Publicado: 1997
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Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00180661_v126_n3_p225_Norry
http://hdl.handle.net/20.500.12110/paper_00180661_v126_n3_p225_Norry
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spelling paper:paper_00180661_v126_n3_p225_Norry2023-06-08T14:39:13Z Correlations among size-related traits affected by chromosome inversions in Drosophila buzzatii: The comparison within and across environments article body size chromosome inversion comparative study correlation function drosophila environment forelimb genetic variability head karyotype nonhuman phenotype thorax Animals Body Constitution Drosophila Environment Inversion, Chromosome Karyotyping Phenotype Quantitative Trait, Heritable Drosophila buzzatii Genetic variation in correlations among size-related traits of head, thorax, and wines was examined in Drosophila buzzatii by comparing the pattern of the Phenotypic Correlation Matrix (R(p)) between inversion karyotypes of the second chromosome. No similarity in R(p) was observed between some karyotypes in a natural population. The pattern of R(p) in wild-reared heterokaryotypes, but not in homokaryotypes, was similar to the whole population represented by laboratory reared flies. While phenotypic correlations in wild-reared flies were found to be larger than in laboratory-reared flies, similarity in the pattern of R(p) was very high for one homokaryotype reared in both environments: the relatively homogeneous lab environment and the more variable field environment. While no such a similarity across environments was detected between different karyotypes, the pattern of R(p) was similar for a same homokaryotype in different populations. Thus, the lack of karyotypic similarity in R(p) is, at least partially, genetic. These results indicate that chromosomal inversions are factors affecting genetic correlations among traits known to be phenotypically correlated with adult fitness components in this species. 1997 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00180661_v126_n3_p225_Norry http://hdl.handle.net/20.500.12110/paper_00180661_v126_n3_p225_Norry
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic article
body size
chromosome inversion
comparative study
correlation function
drosophila
environment
forelimb
genetic variability
head
karyotype
nonhuman
phenotype
thorax
Animals
Body Constitution
Drosophila
Environment
Inversion, Chromosome
Karyotyping
Phenotype
Quantitative Trait, Heritable
Drosophila buzzatii
spellingShingle article
body size
chromosome inversion
comparative study
correlation function
drosophila
environment
forelimb
genetic variability
head
karyotype
nonhuman
phenotype
thorax
Animals
Body Constitution
Drosophila
Environment
Inversion, Chromosome
Karyotyping
Phenotype
Quantitative Trait, Heritable
Drosophila buzzatii
Correlations among size-related traits affected by chromosome inversions in Drosophila buzzatii: The comparison within and across environments
topic_facet article
body size
chromosome inversion
comparative study
correlation function
drosophila
environment
forelimb
genetic variability
head
karyotype
nonhuman
phenotype
thorax
Animals
Body Constitution
Drosophila
Environment
Inversion, Chromosome
Karyotyping
Phenotype
Quantitative Trait, Heritable
Drosophila buzzatii
description Genetic variation in correlations among size-related traits of head, thorax, and wines was examined in Drosophila buzzatii by comparing the pattern of the Phenotypic Correlation Matrix (R(p)) between inversion karyotypes of the second chromosome. No similarity in R(p) was observed between some karyotypes in a natural population. The pattern of R(p) in wild-reared heterokaryotypes, but not in homokaryotypes, was similar to the whole population represented by laboratory reared flies. While phenotypic correlations in wild-reared flies were found to be larger than in laboratory-reared flies, similarity in the pattern of R(p) was very high for one homokaryotype reared in both environments: the relatively homogeneous lab environment and the more variable field environment. While no such a similarity across environments was detected between different karyotypes, the pattern of R(p) was similar for a same homokaryotype in different populations. Thus, the lack of karyotypic similarity in R(p) is, at least partially, genetic. These results indicate that chromosomal inversions are factors affecting genetic correlations among traits known to be phenotypically correlated with adult fitness components in this species.
title Correlations among size-related traits affected by chromosome inversions in Drosophila buzzatii: The comparison within and across environments
title_short Correlations among size-related traits affected by chromosome inversions in Drosophila buzzatii: The comparison within and across environments
title_full Correlations among size-related traits affected by chromosome inversions in Drosophila buzzatii: The comparison within and across environments
title_fullStr Correlations among size-related traits affected by chromosome inversions in Drosophila buzzatii: The comparison within and across environments
title_full_unstemmed Correlations among size-related traits affected by chromosome inversions in Drosophila buzzatii: The comparison within and across environments
title_sort correlations among size-related traits affected by chromosome inversions in drosophila buzzatii: the comparison within and across environments
publishDate 1997
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00180661_v126_n3_p225_Norry
http://hdl.handle.net/20.500.12110/paper_00180661_v126_n3_p225_Norry
_version_ 1768542533828214784