Because GMFs contain genetic material from other species, they are likely to produce new allergens, and may even facilitate cross-species transmission of diseases and the destruction of the ecological balance. Environmental groups and consumers are therefore very concerned.
基因改造食物因為植入不同物種的基因，可能產生新的過敏源，甚至可能造成跨物種間的疾病傳染、破壞生態平衡等，都讓環保團體與消費者心生疑慮。