Which of the following is the correct sequence of units genetics arranged in descending order of size
A. `"Gene"to"Cistron"to"Muton"to"Recon"`
B. `"Gene"to"Muton"to"Cistron"to"Recon"`
C. `"Gene"to"Recon"to"Cistron"to"Muton"`
D. `"Gene"to"Cistron"to"Recon"to"Muton"`
