Can a cell that is normally non-dividing be stimulated to divide

Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed

What will happen if two of the base pairs of the stand of the dna are switched

Adding more tributaries to a local river basin can have what effect?