Question: four rii deletions ad are crossed against one another of...
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Four rII deletions, A-D, are crossed against one another. Of the six crosses, three yielded recombinants: 1) A X B, (2) A X C, and (3) C X D. The remaining three – (4) A X D, (5) B X C, and (6) B X D – yielded no recombinants. a. What is the relation between these deletions? b. An rII mutation recombines with A, B, and C but not D. Where is this mutation located?
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