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암수동체성 물고기 Rivulus marmoratus (Teleostomi: Cyprinodantidae)의 자연발생적 좌우비대칭성에 관하여

Spontaneous Bilateral Asymmetry in the Hermaphroditic Fish Rivulus marmoratus (Teleostomi: Cyprinodantidae)

한국동물학회지 1987년 30권 1호 p.44 ~ 52
박은호, 강승국, 이승휘,
소속 상세정보
박은호 ( Park Eun-Ho ) - 한양대학교 자연과학대학 생물학과
강승국 ( Kang Seung-Kuk ) - 경기고등학교
이승휘 ( Lee Seung-Hwi ) - 한양대학교 자연과학대학 생물학과

Abstract


The spontaneous bilateral asymmetry was analyzed in the hermaphroditic fish Rivulus marmoratus to obtain base line data on the developmental stability of this fish. The results obtained were as follows; 1. Eight kinds of countable anatomical characters except numbers of otolith and radii branchiostegi showed bilateral asymmetry at the frequency ranging from 9.8% to 64.7%. 2. Asymmetry index was not significantly different from that of gonochoristic fish species previously reported. Genetical implication of the results was discussed in relation to developmental stability and homozygosity of this species.

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