The figure below shows a partial chromosome map of an E. coli Hfr strain. Each mark equals 10 minutes. If transfer of genes begins at “*” and goes in the direction of the arrow, what is one of the predicted results from this map?【图片】
A.
ton and lac will rarely be transferred together.
B.
lac and azi will rarely be transferred together.
C.
Ten minutes after transfer of ton , azi will be transferred.
D.
It would take 30 minutes to transfer all of the genes that are shown.