Sometimes you don't get gametes. At that point, you either need to exclude those people from your classification system because it's ill-suited for this task, or you need to make your classification system significantly more complicated because there's a lot of edge cases.
Sometimes you don't get gametes. At that point, you either need to exclude those people from your classification system because it's ill-suited for this task, or you need to make your classification system significantly more complicated because there's a lot of edge cases.