How could you determine the distance between two genes using experimental matings?

Question

Quizplus · Accepted Answer

The frequency of crossing over between the genes can be used to determine the distance between them. The closer the genes are to each other, the less likely they are to be separated by crossing over, while genes that are further apart are more likely to be separated by crossing over. Mutations and non-disjunction would not provide information about the distance between the genes.

How Could You Determine the Distance Between Two Genes Using