Biotech firms have rejiggered the genes of all kinds of species to produce human proteins in the eggs of chickens, in the leaves and seeds of plants and in the bodies of insects.

• 生物科技公司把各式各样物种的基因重新安排，以便在鸡蛋、植物的叶及种子、昆虫体内生产人类的蛋白质。