Which of the following would not regulate genes in a eukaryote

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?

What is the function of the root cap? a. extra-absorbent cells in the root cap absorb more water and nutrients b. protect the meristematic area of the stem c. contains sensors for sunlight d. increases surface area of the root

Make a claim about the factors that cause inherited genetic variations within populations. also make a claim about the effects of mutations.