what would be the result of a mutation that deactivates the regulatory gene of a repressible operon in an escherichia coli cell?

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

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?

What kinds of foods are high in lipids?