Grading Exams

So my genetics experience should be very varied; though, so far, it has consisted of literature searches upon literature searches--7 pages of references I actually used, not including the bazillian (is that a word?) others that I read. But anyway, today I get to grade the first year medical class short essays from their first genetics exam. Who I am to grade them you ask? I ask the same question. But for a change of scenery I am grateful...and I'll be generous, so they will thank me later!