Drawing a linear map representing the order

Five single rII deletion mutants of phage T4 were spot-tested in all pairwise combinations to test for their ability to give r+ recombinants. The results are given in Table (a). Five different point mutations were then tested in the same way for their ability to recombine with the five deletions. These results are given in Table (b). In both tables, "0" indicates no recombination, while "+" indicates that recombinants were detected. Using the information given, draw a linear map representing the order and overlap of the deletions and the positions of the point mutations.

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...mbine with each other -- often inside this gene -- so that it is possible for two different mutants to switch both their mutations onto a single phage and put the complementary functional (wild-type) portions of the ...