Neurospora Loci D and F Are Located on the Same

Multiple Choice

Neurospora loci d and f are located on the same chromosome.The d locus always segregates at M_I,while the e locus segregates at M_II at a frequency of 10%.Assuming complete interference,the distance between loci d and f is:

A) 5 map units.
B) 10 map units.
C) 20 map units.
D) 40 map units.
E) 45 map units.