When conducting physical mapping studies, place the following methods in their most logical order: A. Clone large

Question:

When conducting physical mapping studies, place the following methods in their most logical order:
A. Clone large fragments of DNA to make a BAC library.
B. Determine the DNA sequence of subclones from a cosmid library.
C. Subclone BAC fragments to make a cosmid library.
D. Subclone cosmid fragments for DNA sequencing.