SCIENTIFIC INQUIRY • DRAW IT Assume you are mapping genes A, B, C, and D in Drosophila. You know that these genes are linked on the same chromosome, and you determine the recombination frequencies...

SCIENTIFIC INQUIRY • DRAW IT Assume you are mapping
genes A, B, C, and D in Drosophila. You know that these genes
are linked on the same chromosome, and you determine the
recombination frequencies between each pair of genes to be as
follows: A–B, 8%; A–C, 28%; A–D, 25%; B–C, 20%; B–D, 33%.
(a) Describe how you determined the recombination
frequency for each pair of genes.
(b) Draw a chromosome map based on your data