Hello, I'm in Grade 09, and I'm also a science student. I minored in business administration. Well, after minor in the senior year, I will issue a degree certificate, but it is not the same as others' real major. In fact, it is our school's own degree certificate. That means you will have two degree certificates in the future. Although the minor is not a real degree certificate (relative to the degree certificate issued by the Ministry of Education), at least you will increase your bargaining power when looking for a job in the future. To be sure, there are still differences between minors and non-minors. I hope I can help you. You can qq me if you have any questions: 768274590.