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- Publisher Website: 10.1111/j.1095-8312.1994.tb00976.x
- Scopus: eid_2-s2.0-0028083060
- WOS: WOS:A1994NM26000002
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Article: Evolution of morphological differences with moderate genetic correlations among traits as exemplified by two flycatcher species (Ficedula; Muscicapidae)
Title | Evolution of morphological differences with moderate genetic correlations among traits as exemplified by two flycatcher species (Ficedula; Muscicapidae) |
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Authors | |
Keywords | genetic correlation selection Ficeduia albicollis genetic constraints genetic covariance Ficeduia hypoleuca quantitative characters |
Issue Date | 1994 |
Citation | Biological Journal of the Linnean Society, 1994, v. 52, n. 1, p. 19-30 How to Cite? |
Abstract | Theoretical work on multivariate evolution predicts that genetic correlations can act to constrain the rate at which new adaptive peaks are reached, but there is very limited empirical information available on this issue so far. To evaluate the importance of genetic correlations for evolutionary change, we studied the morphological differences between two flycatcher species (Ficeduia albicollis and F. hypoleuca) using both univariate and multivariate quantitative genetic models. Comparison of the results obtained using these different models revealed that even relatively low genetic correlations between traits will considerably increase the net selection forces needed for evolutionary changes in morphology. In particular, the divergence in wing and tail length, which are positively genetically correlated, would require a considerable amount of antagonistic selection. Because of the genetic correlations, strong selection will be needed to retain certain traits unchanged while others are changing. Based on these results, we argue that it is unlikely that small morphological differences such as between these two species could have evolved during a short (200 years) time period, i.e. the period of sympatry of these species in Sweden. These findings support the hypothesis that even relatively low genetic correlations may constrain short‐term adaptive evolution in natural populations. Copyright © 1994, Wiley Blackwell. All rights reserved |
Persistent Identifier | http://hdl.handle.net/10722/292434 |
ISSN | 2023 Impact Factor: 2.0 2023 SCImago Journal Rankings: 0.764 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | MERILÄ, JUHA | - |
dc.contributor.author | BJÖRKLUND, MATS | - |
dc.contributor.author | GUSTAFSSON, LARS | - |
dc.date.accessioned | 2020-11-17T14:56:29Z | - |
dc.date.available | 2020-11-17T14:56:29Z | - |
dc.date.issued | 1994 | - |
dc.identifier.citation | Biological Journal of the Linnean Society, 1994, v. 52, n. 1, p. 19-30 | - |
dc.identifier.issn | 0024-4066 | - |
dc.identifier.uri | http://hdl.handle.net/10722/292434 | - |
dc.description.abstract | Theoretical work on multivariate evolution predicts that genetic correlations can act to constrain the rate at which new adaptive peaks are reached, but there is very limited empirical information available on this issue so far. To evaluate the importance of genetic correlations for evolutionary change, we studied the morphological differences between two flycatcher species (Ficeduia albicollis and F. hypoleuca) using both univariate and multivariate quantitative genetic models. Comparison of the results obtained using these different models revealed that even relatively low genetic correlations between traits will considerably increase the net selection forces needed for evolutionary changes in morphology. In particular, the divergence in wing and tail length, which are positively genetically correlated, would require a considerable amount of antagonistic selection. Because of the genetic correlations, strong selection will be needed to retain certain traits unchanged while others are changing. Based on these results, we argue that it is unlikely that small morphological differences such as between these two species could have evolved during a short (200 years) time period, i.e. the period of sympatry of these species in Sweden. These findings support the hypothesis that even relatively low genetic correlations may constrain short‐term adaptive evolution in natural populations. Copyright © 1994, Wiley Blackwell. All rights reserved | - |
dc.language | eng | - |
dc.relation.ispartof | Biological Journal of the Linnean Society | - |
dc.subject | genetic correlation | - |
dc.subject | selection | - |
dc.subject | Ficeduia albicollis | - |
dc.subject | genetic constraints | - |
dc.subject | genetic covariance | - |
dc.subject | Ficeduia hypoleuca | - |
dc.subject | quantitative characters | - |
dc.title | Evolution of morphological differences with moderate genetic correlations among traits as exemplified by two flycatcher species (Ficedula; Muscicapidae) | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1111/j.1095-8312.1994.tb00976.x | - |
dc.identifier.scopus | eid_2-s2.0-0028083060 | - |
dc.identifier.volume | 52 | - |
dc.identifier.issue | 1 | - |
dc.identifier.spage | 19 | - |
dc.identifier.epage | 30 | - |
dc.identifier.eissn | 1095-8312 | - |
dc.identifier.isi | WOS:A1994NM26000002 | - |
dc.identifier.issnl | 0024-4066 | - |