問題詳情
24. Hydrangeas provide beauty and color to landscapes. Hydrangeas of the samegenotype are planted in a large flower yard, which blooms different colored flowers.This phenomenon is caused by_________
(A) Environmental factors such as aluminum content and soil pH
(B) The alleles being codominant
(C) Darwin's explanation of the natural selection
(D) The fact that the mutation occurred
(E) Virus infection causes color-breaking
參考答案
答案:A
難度:計算中-1
書單:沒有書單,新增