Practice question
Question
phot1 phot2 double mutant shows:
Explanation
Go with D — No chloroplast movement. Under Phototropin+All, this is the standard explanation you’d use in class: it names the real driver or definition, while the rest are nearby but wrong. Not these: A) Normal responses; B) Only accumulation; C) Only avoidance. When two options sound similar, choose the one that matches the textbook definition most tightly.