Genetics of settling cohorts of Mytilus edulis (L.): Preliminary observations |
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Authors: | EM Gosling NP Wilkins |
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Institution: | 1. School of Life Sciences, Regional Technical College, Galway Ireland;2. National University of Ireland, University College, Galway Ireland |
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Abstract: | Starch gel electrophoresis was used to analyse genetic variability at the Pgi, Lap-1, Lap-2 and Est-D loci in different cohorts of Mytilus edulis (L.) settling at different times during a single settlement season. Samples were collected on ropes, which were placed in the sea for very short periods between May and August 1981 and which were then removed to a hatchery for a period of growth prior to electrophoretic analysis. The results indicate that cohorts settling at different times are genetically different at the Lap-1 and Est-D loci and that heterozygote deficits occur even within individual cohorts before, or very shortly after, the time of settlement. |
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