In Drosophila guttifera, the morphogen ACTS in proximity to existing physical landmarks such as the intersections of veins and cross veins on the wing.
对Drosophila guttifera来说，形态生成是在已有的物理路标附近作用的，如在翅膀的静脉血管与横向静脉的交点处。
The role of the Wingless morphogen was detailed by the painstaking genetic manipulation of flies that took three years and the injection of nearly 20,000 fly embryos to accomplish.
无翼基因形态的作用已通过3年艰苦的果蝇基因操作实验与近20,000个果蝇胚胎注射来详细的了解。
The role of the Wingless morphogen was detailed by the painstaking genetic manipulation of flies that took three years and the injection of nearly 20,000 fly embryos to accomplish.
无翼基因形态的作用已通过3年艰苦的果蝇基因操作实验与近20,000个果蝇胚胎注射来详细的了解。
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