alexa PHENOTYPE AND GENOTYPE DIFFERENTIATION BETWEEN TWO STOC


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Research Article

PHENOTYPE AND GENOTYPE DIFFERENTIATION BETWEEN TWO STOCKS OF TOR PUTITORA (HAMILTON) POPULATION (PISCES: CYPRINIDAE) FROM HIMACHAL PRADESH, INDIA

1Arora R and 2JM Julka
  1. Faculty of Basic Sciences, Shoolini University of Biotechnology and Management Sciences, Solan-173212,India
Corresponding Author: Arora R, E-mail: [email protected]
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Abstract

This study aimed to study the phenotype and genotype differentiation and to compare the amount of differences in phenotype based on morphometric character indices and meristic counts with the amount of differences in genotype based on random amplified polymorphic DNA (RAPD) fingerprinting between two stocks of golden mahseer, Tor putitora (Hamilton) population. The results showed that there were no significant differences in most of the morphometric character indices and the meristic counts between the reservoir and the natural stocks of golden mahseer. In addition, Genotype analysis based on RAPD fingerprint showed low genetic dissimilarity (0.211) between the reservoir and the natural stocks. These results confirmed that the amount of similarity in genotype reflected the same amount of similarity in phenotype between the two different stocks. Therefore, based on these results it was concluded that both the stocks from two different river systems follow the similar migratory route during their migration period and shared the similar parental gene pool. Furthermore, we could conclude that for conservation of this endangered sport and food fish of the country, it would be cultured at various reservoirs and lakes for restocking in the natural environment of Himachal Pradesh.

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