Sex Chromatin and Nuclear Sexing in Birds
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The present study deals with the incidence and distribution of sex chromatin body, drumstick and sessile bodies in two pairs, each of Gallus domesticus, Columba livia and Passer domesticus. Somatic tissues, i.e. liver, duodenum, skin and blood from both sexes were examined. For liver, duodenum and skin interphase nuclei, Feulgen and BS-FG methods were applied and Leishman and Giemsa stains were used for blood. The incidence of sex chromatin was more in females than in males in all the tissues. Incidence of drumsticks and sessible bodies was found to be more in males than in females. The drumsticks were associated with homogametic sex, whereas the sex chromatin body with female sex only. Although the properties of sex chromatin body and drumsticks were not similar and they were differently associated with sex, still the sexual dimorphism at the cellular level was so distinct that it seemed worthwhile to use it as a basis for genetic sex determination in the species of birds studied. The results have been analysed statistically by applying chi-square test with highly significant results.
- 財団法人 日本メンデル協会の論文
財団法人 日本メンデル協会 | 論文
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