Prof Robo is studying skin color of Banana Slugs He has isol

Prof. Robo is studying skin color of Banana Slugs. He has isolated 8 recessive mutants that are white instead of yellow. He performs the following complementation analysis. (+) indicates yellow color(-) indicates white color. Based on complementation analysis, how many genes affect skin color? Place the various mutants in the different complementation groups.

Solution

There are three complementation groups, meaning atleast two genes affecting skin color.

Group 1: mutant 1, 7, 8

Group 2 : mutant 3, 4 5 6

Group 3 : mutant 2