When you turn in your application, you are listing all the classes that have already met the schools’ requirements as well as what you are taking in your final year to fulfill the outstanding ones.
Most of the required classes also will be needed for doing well on MCAT. As wowmom states, biochemistry and Statistics are almost a must to do well unless you are doing well on the practice tests despite missing some required classes because you studied for some of the material on your own.
Which med schools are recommending genetics? I have seen people complain about it in TCU forums but not aware of other schools.