Summary
In the female Indian frog,Rana tigrina (2n=26; NF=52), the female is heterogametic. The heterochromosomes (ZW) are morphologically indistinguishable, but the W chromosome proves by C-banding analysis to be entierly heterochromatic.
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Acknowledgment. S.C. is grateful to Prof. G.K. Manna, Zoology Department, Kalyani University, Prof. Archana Sharma, Botany Department, Calcutta University and to Prof. T. Sharma, Zoology Department, Banarus Hindu University for encouragements. He is also thankful to Prof. D.K. Choudhuri, Burdwan University for support.
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Chakrabarti, S., Banerjee, S.N., Neogi, L.N. et al. C-band positive W chromosome in the female Indian frog. Experientia 39, 321–322 (1983). https://doi.org/10.1007/BF01955327
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DOI: https://doi.org/10.1007/BF01955327