<p>No you don’t have to have all your prereqs done when you apply. You just have to plan on having them finished by the end of the spring. When you apply you tell them what classes you have taken and the classes you are taking (fall) and the classes you plan to take (spring).</p>
<p>One thing to think about is that the more prereqs you do have done before you apply, the more they will be able to estimate your ability to do well in your major.</p>