Question

which of the following foods can be made allergen - free using biotechnology?
soybean
peanut
rice
all of the above

Explanation:

Biotechnology can be used to modify the genetic makeup of various foods. For soybean, peanut, and rice, through genetic engineering techniques (a part of biotechnology), genes related to allergen production can potentially be modified or silenced to reduce or eliminate allergenic properties.

Answer:

All of the above.