Lily is researching the light-sensing rod cells of the eye. she decides to use stem cells to produce new rod cells. which statement best explains why lily is using stem cells for this purpose? \ a. specific genes in a rod cell’s dna can be activated to produce new stem cells. b. specific genes in a stem cell’s dna can be activated to produce new rod cells. c. all genes in a rod cell’s dna are activated, so new stem cells are produced each time the cell divides. d. all genes in a stem cell’s dna are activated, so new rod cells are produced each time the cell divides. e. none of the genes in a rod cell’s dna are activated, so new rod cells can be produced only from stem cells.