초록

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Abstract ▼ AI-Helper

Morphological and Benetic comparision were studied for the arkshell populations of Korea and China. The shell was collected from commercial arkshell bed in Jinhae Bay, Korea and from an hatchery in Young Seong, China. Shell Parameters, number of radial ribs and random amplified polymorphic DNA (RAPD...

Morphological and Benetic comparision were studied for the arkshell populations of Korea and China. The shell was collected from commercial arkshell bed in Jinhae Bay, Korea and from an hatchery in Young Seong, China. Shell Parameters, number of radial ribs and random amplified polymorphic DNA (RAPD) band were measured. The two populations had morphological and genetic differences. There was significant morphological difference $(P\leq0.05)$ in the ratio of the longest radial rib to the shell length. Posterior parts of the Chinese arkshell were more elongated than those of the Korean arkshell. Number of radial ribs were $36\~41$ for the Korean arkshell and $39\~43$ for the Chinese arkshell. RAPD markers generated tty each of 19 primers were $2\~6$ bands. Genetic diversity between the two Populations was clear since the genetic similarity was very low, not exceeding 0.29. The genetic similarity among the Korean arkshells $(0.58\~0.40)$ was higher than that of the Chinese arkshells $(0.48\~0.32)$.

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