It's false, because rough endoplasmic reticulum is the site of protein synthesis, not smooth endoplasmic reticulum, the smooth ER is the site of lipids, not protein synthesis :3
Answer is A. It cant be B because they are to close together and it cant be C because some of the seeds are also to close together. Hope this helps!! :)
I believe you meant to say is this mistake called a base pair and if that is your question then no. it would be called Mutation. But you can double check that answer.
