Chromosomal Studies of the Hybrid between Female Rhodeus ocellatus ocellatus and Male Rhodeus atremius fangi in Bitterlings (Teleostei: Cypriniformes: Acheilognathinae) - Natural Resources

NR > Vol.9 No.1, January 2018

Volume 9, Issue 1 (January 2018)

ISSN Print: 2158-706X ISSN Online: 2158-7086

Google-based Impact Factor: 0.89 Citations h5-index & Ranking

Chromosomal Studies of the Hybrid between Female Rhodeus ocellatus ocellatus and Male Rhodeus atremius fangi in Bitterlings (Teleostei: Cypriniformes: Acheilognathinae) ()

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DOI: 10.4236/nr.2018.91002 864 Downloads 1,456 Views Citations

Author(s)

Takayoshi Ueda¹, Yukie Ueda²

Affiliation(s)

¹Faculty of Education, Utsunomiya University, Utsunomiya, Japan.
²Bato High School of Tochigi Prefecture, Nasu, Japan.

ABSTRACT

The chromosome analysis of the masculinized hybrid between female Rhodeus ocellatus ocellatus and male R. atremius fangi in bitterlings (Acheilognathinae) was done. It was presumed that they had intermediate karyotype between the parents, and formed sperms with heteroploidy resulting from the incomplete pairing of homologous chromosomes in meiosis. Due to the abundance of species and the ease of artificial fertilization, the study of the factor of the hybrid sterility in bitterlings would lead to the clarification of the mechanism about species differentiation and karyotype differentiation, and also develop a new variety. And also, it would also be important to make the hybrid various natures clear in environmental preservation.

KEYWORDS

Bitterling, Hybrid, Chromosome, Species Differentiation, Karyotype Evolu-tion, Environmental Preservation

Share and Cite:

Ueda, T. and Ueda, Y. (2018) Chromosomal Studies of the Hybrid between Female Rhodeus ocellatus ocellatus and Male Rhodeus atremius fangi in Bitterlings (Teleostei: Cypriniformes: Acheilognathinae). Natural Resources, 9, 17-22. doi: 10.4236/nr.2018.91002.

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