<p>I'm a Senior applying to American and British universities this year. Though I want to major in biology, I have never taken AP Biology before. Since I need to score 5 in AP Biology to get acceptance from the British universities, I have to concentrate on studying AP Biology by myself. I decided to downgrade my AP Macroeconomics class to regular Economics class, so that I can spend more time for my independent study. However, I'm afraid how this decision will affect my admission of American universities. Will any college rescind me for dropping an AP class? What's the best way to solve this problem?</p>