He adds this is an exciting finding, as it seems to defy one of the basic rules of cell biology and genetics: that genetic material is distributed randomly.
他补充说这时一个令人兴奋的发现，因为它象是否定了细胞生物学和遗传学的一个基本规则，即遗传物质随机分配。
The improvement on the respects of operation skills and material preparation for better effect of genetics experiment has achieved fairly good result.
为提高遗传学实验效果，通过在操作技术、材料准备等方面作了一些改进，取得了较显著的教学效果。
We initially designed a framework of teaching material library in medical genetics, then we popularized it among the professional teachers.
我们根据理论模式初步建立了医学遗传学教学素材库的框架，并请专业教师进行使用。
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