The result of test in the second flight shows that the percentage of chromosome bridge in the neuroblasts of the third instar larvae of the first filial generation produced by female parents in the fourth to sixth day after flight is increased .

第二次飞行实验结果也呈现，亲代雌蝇在飞行后第4&6天所产的 子1 代中， 三龄幼虫成神经细胞染色体桥频率增高。