. Cell heredity. Cytogenetics. CHROMOSOME DUPLICATION AND GENETIC RECOMBINATION 187 presence of a small amount of DNA which serves as primer of the reac- tion. Each triphosphate is incorporated into the polynucleotide with the splitting off of pyrophosphate which is found in the reaction mixture in stoichiometric quantities. The reaction can be reversed when pyrophos- phate is present in excess. The DNA produced in this reaction has essentially the same physical properties as DNA carefully extracted from biological materials, with respect to molecular weight, viscosity, degradation by DNA-ase,
. Cell heredity. Cytogenetics. CHROMOSOME DUPLICATION AND GENETIC RECOMBINATION 187 presence of a small amount of DNA which serves as primer of the reac- tion. Each triphosphate is incorporated into the polynucleotide with the splitting off of pyrophosphate which is found in the reaction mixture in stoichiometric quantities. The reaction can be reversed when pyrophos- phate is present in excess. The DNA produced in this reaction has essentially the same physical properties as DNA carefully extracted from biological materials, with respect to molecular weight, viscosity, degradation by DNA-ase, and effects of heating. Of particular interest is the relation between the Parent molecule First generation (Daughter molecules) Second generation (Granddaughter molecules). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Sager, Ruth; Ryan, Francis J. (Francis Joseph), 1916-. New York, Wiley
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