"These are the results of a three point test cross in Drosophila for the three loci ABC: aCB = 1111, ACb = 132, AcB = 198, ACB = 1444, aCb = 188, acB = 131, Acb = 1156, acb = 1311. What is the map distance to 4 significant figures between the B and C loci? Hint: Establish gene order first."