Scientists , studying this subject further split their cuttings lengthwise . to their surprise , they made another interesting discovery . a good many more buds grew on the right - hand side of the split surface than on the left . they split the sticks again and found that the buds again grew on the right side 研究這一課題的科學家們進一步把他們砍下的枝條縱向切開,使他們驚訝的是,他們又獲得另一項有趣的發現。切口表面右側長出的嫩芽比左側多得多,他們把枝條再切開,發現嫩芽還是長在右側。