most recent grades

Could anyone give insight into whether any M.D. programs focus, when evaluating transcripts, primarily on grades earned during the final 3-4 (3's ideal) semesters of college? I'm a career changer (no science). Doing my own research but welcome suggestions. Thanks all.

Hi, Could anyone give insight into whether any PhD programs focus, when evaluating transcripts, primarily on grades earned during the final 3-4 (3's ideal) semesters of college?