Sex chromatin in rabbit embryos:I. Localization of sex chromatin positive nuclei
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概要
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In order to facilitate the sexing of rabbit embryo, the appearance of sex chromatin and the localization of sex chromatin in blastocyst were investigated.<BR>The results are summarized as follows:<BR>1. Sex chromatin in fertilized ova was not observed from 1 to 4 days of age. It seems to be due to absent of resting-stage nuclei.<BR>2. Sex chromatin positive nuclei were observed 35.4 % or 51.2 % in blastocysts of 5 or 6 days of age, respectively.<BR>3. In 5 ages eggs, the localization of sex chromatin positive nuclei was observed, namely, the section of A (inner cell mass) was higher than the section of D (the area oppositing to inner cell mass).
- 日本繁殖生物学会の論文
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