@my_name_is_bob Actually... https://www.scientificamerican.com/article/identical-twins-genes-are-not-identical/
@13man18 Did you not read the last page and last panel?
>As far as my personal college experience, I never once had a class where we were tested on materials not covered in class.
Maybe it happens more often is STEM. I've had multiple courses in leafland where assigned reading materials were on exams/tests. There simply isn't enough lecture time to...