Cytogenetics of Two Sexes of the Green Toad, Pseudepidalea viridis: First Report from Jammu and Kashmir, India
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064



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Research Paper | Genetics Science | India | Volume 9 Issue 5, May 2020

Cytogenetics of Two Sexes of the Green Toad, Pseudepidalea viridis: First Report from Jammu and Kashmir, India

Neelam Saba, Wahied Khawar Balwan

Cytogenetics of the green toad, Pseudepidalea viridis was studied from Jammu and Kashmir (India). Conventional Giemsa staining showed that the toad species has diploid number (2n) as 22 and all the chromosomes were biarmed (NF=44). Karyotype comprised of 11 pairs of chromosomes arranged in two groups. Fourth pair was submetacentric whereas all other chromosomes were metacentric. Male and female karyotypes were studied but no heteromorphic sex chromosomes were found in either of them. C-banding showed centromeric C-bands in all the chromosomes and few interstitial C-bands on some chromosomes. Ag-NOR staining showed a pair of NORs on short arm of 7th pair of chromosomes. The study is first of its kind from Jammu and Kashmir, India.

Keywords: Karyotype, Chromosomes, Biarmed, Metacentric, Submetacentric, C-band, NOR

Edition: Volume 9 Issue 5, May 2020

Pages: 1059 - 1062

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How to Cite this Article?

Neelam Saba, Wahied Khawar Balwan, "Cytogenetics of Two Sexes of the Green Toad, Pseudepidalea viridis: First Report from Jammu and Kashmir, India", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=SR20516154147, Volume 9 Issue 5, May 2020, 1059 - 1062

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