The blooms are genetically modified and have been implanted with a gene that simulates the synthesis of blue pigment in pansies.

• 这种蓝玫瑰是转基因玫瑰，被植入了三色紫罗兰所含的一种能刺激蓝色素产生的基因，花瓣因而自然呈现蓝色。