They were created by genetically modifying the blooms through implanting a gene that stimulates the synthesis of blue pigment pansies, so that the rose petals produce a natural blue color.

• 它们是通过基因的修改而产生的，通过植入一种基因来刺激紫罗兰蓝色素的合成，这样玫瑰花瓣就产生了一种自然的蓝色。