https://www.chegg.com/homework-help/three-autosomal-genes-linked-along-chromosome-distance-gene-chapter-6-problem-21eq-solution-9780073525341-exc
https://www.chegg.com/homework-help/questions-and-answers/complementation-tests-recessive-mutant-genes-f-produced-data-accompanying-matrix-x-s-repre-q18855258