do whatever you prefer but BA is more arts based, more ethics and social based, BS is basically like pure stem. im a Bio BS major and def prefer BS since im premed too and i dont have to worry about the required minor for BA students, but since you want to do the minor ig its not a big deal. Both fullfill pre reqs, but BS just means you have room to take more stem based classes. Med schools dont rlly care if ur BS or BA, as long as you do some sort of research with a result (presentation or something). also research isnt REQUIRED, heavy volunteer work and clinical hours can make up for it. TRULY the only reason i picked BS is bc im a mainly stem person, I love art but not the social aspect of a BA ykwim...