Biology 1001A or Biology 1201A and Biology 1002B or Biology 1202B; Chemistry 1301A/B and Chemistry 1302A/B or the former Chemistry 1100A/B and the former Chemistry 1200B; plus 1.0 additional course, with no mark in any of these principal courses below 60%.
0.5 course from: Physics 1028A/B, Physics 1301A/B or Physics 1501A/B.
1.0 course from: Calculus 1000A/B or Calculus 1500A/B, Calculus 1301A/B or Calculus 1501A/B, Mathematics 1225A/B, Mathematics 1228A/B, Mathematics 1229A/B or Mathematics 1600A/B, Statistical Sciences 1024A/B, Applied Mathematics 1201A/B or the former Calculus 1100A/B, the former Linear Algebra 1600A/B. If not completed in first year, the Mathematics requirement must be completed by the end of second year.

2.5 courses: Biology 2483A/B, Biology 2601A/B, Biology 2581A/B, Biology 2290F/G, Biology 2382A/B.
0.5 course: Biochemistry 2280A.
0.5 course from: Biology 2244A/B, Statistical Sciences 2244A/B.
0.5 course from: Chemistry 2213A/B, Chemistry 2210A/B.
2.0 courses: Biology 3484A/B, Biology 3445F/G, Biology 3440A/B, Biology 3442F/G.
0.5 course from: Biology 3220Z, Biology 3403A/B.
0.5 course from: Biology 3218F/G, Biology 3404F/G, Biology 3229F/G, Biology 4420A/B.
0.5 course from: Biology 3444F/G, Biology 3466A/B.
0.5 course from: Biology 4405F/G, Biology 4223F/G, Geography 3343A/B.
0.5 course: Biology 4289A/B.
1.0 courses: Biology 4412F/G, Biology 4410F/G.
1.0 course from: Biology 3435F/G, Biology 3436F/G, Biology 3446A/B, Biology 3475A/B, Biology 4200A/B, Biology 4230A/B, Biology 4243F/G, Biology 4259F/G, Biology 4944F/G Biology 4970F/G, Biology 4999E, Geography 2133A/B, Geography 3352A/B, Geography 3441F/G, Geography 3445F/G, or courses above if not already taken.