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Relationship between weight-standardized oxygen consumption and multiple-locus heterozygosity in the mussel, Mytilus edulis
Diehl, W.J.; Gaffney, P.M.; McDonald, J.H.; Koehn, R.K. (1985). Relationship between weight-standardized oxygen consumption and multiple-locus heterozygosity in the mussel, Mytilus edulis, in: Gibbs, P.E. (Ed.) Proceedings of the 19th European Marine Biology Symposium, Plymouth, Devon, UK, 16-21 September 1984. pp. 529-534
In: Gibbs, P.E. (Ed.) (1985). Proceedings of the Nineteenth European Marine Biology Symposium, Plymouth, Devon, UK, 16-21 September 1984. Cambridge University Press: Cambridge. ISBN 0-521-30294-3. 541 pp., more
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Document type: Conference paper
Keyword
    Marine/Coastal
Authors  Top 
  • Diehl, W.J.
  • Gaffney, P.M.
  • McDonald, J.H.
  • Koehn, R.K.
Abstract
    There was an inverse correlation between VO2 and individual heterozygosity (H) in a single cohort of Mytilus edulis L.; this relationship provides an energetic basis for higher growth rates among more heterozygous individuals. Previously, a positive H-growth rate correlation had been documented for younger individuals from the same cohort examined here. By the time of the present study, however, there was an inverse correlation between H and growth rate. This reversal of the H-growth rate relationship suggests that differential mortality, particularly among small homozygous individuals, had occurred. A better understanding of the heterozygosity-growth rate relationship will come from analyses of the mechanisms of apparent allozyme heterosis and from further whole-animal studies of heterozygosity-related differences in metabolism.
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