Document Detail


Laboratory and natural heritabilities of male courtship song characters in Drosophila montana and D. littoralis.
MedLine Citation:
PMID:  8496069     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
We estimated heritabilities for several male courtship song characters in two Drosophila species using father-son regression under conditions where both fathers and sons had been raised in the laboratory. In D. montana the heritabilities of song characters were rather high (-0.23 to 0.80) and in most cases significant. In D. littoralis the heritabilities of song characters were generally lower (-0.33 to 0.18), and none of them was significantly larger than zero. We also estimated heritabilities regressing characters of wild-caught fathers with those of their laboratory reared sons, and used the method employed by Riska et al. to estimate the lower bound of heritabilities in nature. In D. montana most and in D. littoralis all of the across-environment heritabilities were non-significant (-0.15 to 0.43 and -0.04 to 0.15, respectively), and in some cases the across-environment heritabilities were significantly lower than the heritabilities measured under laboratory conditions. The low across-environment heritabilities appeared to be due to larger phenotypic variability of song characters in the field and in some cases also due to genotype-environment interactions.
Authors:
J Aspi; A Hoikkala
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Heredity     Volume:  70 ( Pt 4)     ISSN:  0018-067X     ISO Abbreviation:  Heredity     Publication Date:  1993 Apr 
Date Detail:
Created Date:  1993-06-23     Completed Date:  1993-06-23     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0373007     Medline TA:  Heredity     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  400-6     Citation Subset:  IM    
Affiliation:
Department of Genetics, University of Oulu, Finland.
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MeSH Terms
Descriptor/Qualifier:
Animals
Data Interpretation, Statistical
Drosophila / genetics*
Genetic Variation
Male
Reproducibility of Results
Sexual Behavior, Animal / physiology*
Vocalization, Animal / physiology*

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