Confused about the whole undergrad/grad business stuffs

<p>Hi so basically I know for certain I want to major in business. I really want to go to UCLA, but it has no business school, only business majors. So do I complete the major at UCLA, and then apply to HAAS for graduate school? I'm scared I won't have any business experience in uCLA. Or should I go to Berkeley and try to get into HAAS my 3rd year of undergraduate? What's the diffrrence in going to a business undergrad school anyways? And if I get accepted into HAAS undergraduate, do I have to apply again for the graduate MBA program? Thank you!</p>