why does dna dissolve in water
Split and merge into it. Answer by YungSan3. Confidence votes 6. yes DNA is soluble in water. the phosphate backbone is negative so it is polar. This polarity allows water, which is also a polar molecule, to dissolve the DNA.plit and merge into it. Answer by YungSan3. Confidence votes 6. yes DNA is soluble in water. the phosphate backbone is negative so it is polar. This polarity allows water, which is also a polar molecule, to dissolve the DNA.