한국양식학회지 (Journal of Aquaculture)

한국양식학회 (The Korean Society of Fisheries and Aquatic Science)
권호 표지

Zebrafish (Danio rerio)의 체색 변이에 관한 유전 분석

Inheritance of Golden Coloration in the Zebrafish, Danio rerio

  • 송춘복 (제주대학교 해양생물공학과) ;
  • 이병문 (제주대학교 대학원 수산생물학과)
  • 발행 : 1997.11.01
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초록

The study has been conducted in order to understand the inheritance of body color in the wild type zebrafish (zebra danio), Danio rerio, and its golden mutant (golden danio). The body color was also studied to determine the effect of golden coloration on the survival rate of zebrafish eggs and larvae up to 15 days after fertilization. Reciprocal monohybrid crosses between the wild and the golden type of zebrafish indicated that golden coloration was controlled by a single gene which had two alleles. Transmission of these alleles from parents to their progenies followed the principles of dominance and segregation based on Mendelian inheritance. Similar results from the reciprocal crosses implied that a locus for golden coloration was located on an autosomal chromosome. On the other hand, average survival rates from four different types of mating between, and within, zebra and golden danio suggested that golden coloration seemed to be associated with the survival rate of zebrafish, especially in its early embryonic stage. This indicated that homozygous recessive golden mutation was likely to weaken the golden danio's chance of survival.

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참고문헌

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