The Measured Distance Between Genes D and E in a Two-Point

Multiple Choice

The measured distance between genes D and E in a two-point testcross is 50 map units.Where are genes D and E in relation to each other? (Select all that apply. )

A) D and E are on different homologous chromosomes.
B) D and E are on the same chromosome, at least 50 map units apart.
C) D and E are on the same chromosome, exactly 50 map units apart.
D) D and E are on the same chromosome, less than 50 map units apart.