C. Lined up along the center of the cell
I always remembered Metaphase as the chromosomes saying “meet me in the middle”
the dominant form of the trait shows ---- if your question is from Gradpoint
Although amino acids may have other formulas, those in protein invariably have the general formula RCH(NH2)COOH, where C is carbon, H is hydrogen, N is nitrogen, O is oxygen, and R is a group, varying in composition and structure, called a side chain.