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Allozyme technique has been applied to detect the genetic variation and differentiation of amphioxus Branchiostoma belcheri populations from Xiamen. The genetic diversity was high,the mean number of alleles per locus was 2.0000, the effective number of alleles per locus ranged from 1.4623 to1.6320. The average of percentage of polymorphic loci was 57.14%, the observed heterozygosity and the expected...
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