Ingram examined hemoglobin structural variation by breaking down the hemoglobin protein into many fragments by chemical treatment and subjecting the fragments to electrophoresis to separate them in a gel; and then in a second dimension, perpendicular

to the first, he separated them by chromatography. This two-step approach is commonly referred to as __________. A) hybridization
B) electrophoretic mobility
C) densitometry
D) restriction fragment analysis
E) peptide fingerprint analysis


E

Biology & Microbiology

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