A certain species of butterfly can have either blue (B) or orange (o)or either Spotted (S) or striped (s) patterning imagine that you have calculated a genectic distance between S and B and they are located 18 m.u. apart on a chromosome.If you werre to cross a true breeding blue spotted butterfly with a true breeding orange striped butterfly and ross two of the F1 progeny with each other,what proportion of the F2 progeny would you expect to be orange and spotted.