申論題

8. A linear DNA molecule was treated with BamHI and gave two fragments with sizes of 2080 and 3600 base pairs. The same DNA was treated with EcoRI and gave three fragments of 1080, 2150 and 2450 base pairs. Finally, the DNA was treated with both enzymes at the same time and gave fragments of 1000, 1080, 1450 and 2150 base pairs. Provide a map of the DNA molecule clearly indicating the restriction sites. (4 points)