Practice question
Question
Which genes constitute class A in ABC model?
Explanation
That points to C: AP1 and AP2. Compared with the other options, AP1 and AP2 is the one that correctly describes the ABC MODEL concept. The wrong ones are A) AP3 and PI; B) AG only; D) AP2 and AG. If you’re stuck, eliminate anything that contradicts a basic fact you already know for this topic.