Answer:
d
Explanation: the genes carry what is needed to change, and the cells change due to what is happening in the genes
It depends on if they are identical or not really
I think it is either A or B but I am not sure. I know a catalyst increases the rate of a chemical reaction but I don't think it is B because I dont believe that an enzyme is shaped to interact with certain molecules. I would go with A or C. The choice is yours.
A chromatid is each of the two threadlike strands that make up DNA, a chromatin is the materials that make up chromosomes, and a chromosome is the threadlike structure made of nucleus acids found in the nucleus of a cell and contains genetic information in the form of genes
