In a strain of fruit fly, after several ti
问题:
In a strain of fruit fly, after several times of artificial hybridizations, the map distances of the given loci is A-B=10 m.u., A-C=20 m.u., A-D=25 m.u., B-C=30 m.u., B-D=15 m.u., If the genetic map is drawn according to these humbers, the correct locus order should be ______.
A.DCBA
B.DBAC
C.CADB
D.ACDB