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LI Zhong-bao. Genetic structure of cultivated stocks in Paralichthys olivaceus[J]. Haiyang Xuebao, 2004, 26(3): 102-108.
Citation: LI Zhong-bao. Genetic structure of cultivated stocks in Paralichthys olivaceus[J]. Haiyang Xuebao, 2004, 26(3): 102-108.

Genetic structure of cultivated stocks in Paralichthys olivaceus

  • Received Date: 2003-05-20
  • Rev Recd Date: 2003-08-25
  • Genetic structure of cultivated stocks was investigated using the assay of vertical slab polyacr ylamidegel electrophoresis in Paralichthys olivaceus.Higher level of genetic diversity in the stocks was found:Mean number of alleles perlocus(A) is 1.19(0.11)~1.24(0.10),percentage of polymorphic loci(P0.99) is 14.29%~23.81%, the observed heterozygosity(Ho) is 0.099(0.065)~0.104(0.065),expected heterozygosity(He) is 0.056 (0.036)~0.057(0.033).The results showed that the coefficient of gene differentiation between the stocks is low,Fst=0.005,there is no significant difference in biochemical genetic character istics among the stocks.The genetic distance and genetic identity is 0.001 and 0.999 respectively.Gene flow among the stocks is large(Nm=49.75).
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