The Figure Shows the Structure of a Series of Fruit

Short Answer

The figure shows the structure of a series of fruit fly deletion mutants. The gap in each line represents the segment of the chromosome that is deleted in each mutant. Stains that were heterozygous for each deletion mutation and a point mutation (A, B, C, D, E, and
F) were created and analyzed for wild- type (+) or mutant (- ) phenotypes. The results of the analyses are shown in the table.


$\begin{array}{|c|c|c|c|c|c|c|}\hline \text { Deletion } & \mathrm{A} & \mathrm{B} & \mathrm{C} & \mathrm{D} & \mathrm{E} & \mathrm{F} \\\hline \text { Deletion 1 } & + & - & + & - & + & - \\\hline \text { Deletion 2 } & + & + & - & + & - & + \\\hline \text { Deletion 3 } & - & + & - & + & - & - \\\hline \text { Deletion 4 } & - & + & + & + & + & + \\\hline \text { Deletion 5 } & - & - & + & + & - & - \\\hline\end{array}$

Which of the following is the correct order of the six point mutations on the chromosome?