試題詳解

39. "Golden Rice" is a transgenic variety that

(A) contains daffodil genes that increase the vitamin A content of the rice.

(B) is resistant to a virus that commonly attacks rice fields.

(C) is resistant to various herbicides and thus rice fields can be weeded with those herbicides.

(D) includes bacterial genes that produce a toxin that reduces damage from insect pests.

(E) produces much larger, golden grains that increase crop yields.