You should take 3470:461 Applied Statistics in place of 3470:401 Probability and Statistics for Engineers, and you should also take the option that includes 3450:222 Calculus II. Then the following courses are
3450:223 Calculus III
3460:209 Introduction to Computer Science
3450:307 Fundamentals of Advanced Mathematics
3450:312 Linear Algebra
3450:335 Ordinary Differential Equations 
3450:421 Advanced Calculus I
3450:411 Abstract Algebra I
3450:412 Abstract Algebra II or 3450:422 Advanced Calculus II 
Twelve credits of approved electives from mathematics, statistics or computer science.

Total: 40 Additional Credits

Minor: You should take either 3470:461 Applied Statistics or 3470:460 Statistical Methods
to complete the statistics option in biochemistry. Then you need 3450:223 Calculus III, 3450:312 Linear
Algebra and two additional approved electives in mathematics, statistics or computer science.