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Experimental evidence for a genetic basis to differences in aneuploidy in the Pacific oyster (Crassostrea gigas) ArchiMer
Leitao, Alexandra; Boudry, Pierre; Mccombie, Helen; Gerard, Andre; Thiriot-quievreux, Catherine.
Aneuploidy has been previously reported in wild and cultivated Pacific oysters, Crassostrea gigas, and has been shown to be negatively correlated with growth. This is especially important since high variability of growth rate is one of the major problems in the aquacultural production of this species. The existence of a genetic basis for the observed differences in aneuploidy was first investigated through the comparative study of six full-sib families, with mean individual weights ranging from 0.59 to 1.49 g. The slowest growing family was found to have the highest level of aneuploidy. Significant differences in aneuploidy were also found among families when individuals with the same growth rate were sampled. This supports the hypothesis of the existence...
Tipo: Text Palavras-chave: Oyster; Growth; Genetics; Full sib families; Crassostrea gigas; Aneuploidy; Huître; Croissance; Génétique; Famille de plein frères; Crassostrea gigas; Aneuploïdie.
Ano: 2001 URL: https://archimer.ifremer.fr/doc/2001/publication-2700.pdf
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