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Pacific abalone Haliotis discus hannai (Haliotidae, Gastropoda) is an economically important shellfish species in northern China. The complete nuclear ribosomal DNA (nrDNA) of Pacific abalone was amplified, sequenced, and analyzed. The length of the nrDNA was determined to be around 10.7 kb, and to contain, in order, small subunit ribosomal RNA (nrSSU) genes (1871 bp), internal transcribed spacer...
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