Abstract

Guppies are one type of organism that can live well, especially in the tropics. The kinship between species that have genetic similarities can be identified through genotypic mapping, one of which is molecular analysis using. RAPD method with PCR technique. This study aims to determine the genetic relationship of four guppy poecilia reticulata strains, respectively are Albino Full Red (AFP), Brazilian Fan Tail (BFT), Koi Guppy Tuxedo (KGT), and Platinum Red Tail Big Ears (PRTB) with the RAPD-PCR method. The genetic relationship data obtained is used as a guide for mating between the four strains. This research was conducted from September 2020 to November 2020. The process were carried out at the Biotechnology Laboratory, Faculty of Fisheries and Marine Sciences, Padjadjaran University and the Central Laboratory, Padjadjaran University. OPA-03 primer (AGTCAGCCAC) is used as a standard parameter to interpret genetic diversity among the four guppy strains. Based on the results, amplification with primer OPA-03 visualized 21 bands consisting of seven polymorphic bands and 13 monomorphic bands. The results of the phylogenetic tree showed that there were two groups. The first group is AFR and BFT a similarity index of 69.5%. The second group is KGT and PRTB a similarity index of 71.5%.

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