为了了解那些基因云发生的情况，遗传学研究者们必须找到开启和关闭基因的生物学开关。
Hoping to understand what's happening in those clouds, epigenetics researchers have focused on biochemical switches that turn genes on and off.
并不是测出基因序列就能轻易预言疾病，科学家们需要对每个与疾病有联系的功能基因云做标记。
Rather than finding genes easily predictive of disease, researchers have tagged clouds of genes that each possess a fractional connection to disease.
另一方面Kosak以及其他的染色体拓扑学家认为基因云的形状本身可能就是一种开关。
On their fringes are Kosak and other chromosome topographers, who think that shape itself could be a type of switch.
两种通过安全检测的水稻品种表达了一种来自苏云金芽胞杆菌（Bt）蛋白的一种基因，能够使得害虫中毒。
The two varieties that passed safety inspection express a gene for a protein from the bacterium Bacillus thuringiensis (Bt) that's toxic to insects.
本文简要回顾了苏云金芽孢杆菌杀虫晶体蛋白基因在抗虫植物基因工程研究中的进展情况。
The function of lectins includes cell recognition, toxicity determining factor, plant insect resistance , rhizobia bacteria recognizing factor and so on.
本文简要回顾了苏云金芽孢杆菌杀虫晶体蛋白基因在抗虫植物基因工程研究中的进展情况。
The function of lectins includes cell recognition, toxicity determining factor, plant insect resistance , rhizobia bacteria recognizing factor and so on.
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