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Ch 13 Biol 104
Molecular Basis of Inheritance
| Term | Definition |
|---|---|
| Transformation | Change in genotype or phenotype due to the assimilation of external DNA by a cell |
| Griffith’s Experiment | An experiment with mice that show that living non-pathogenic bacteria could be transformed into pathogenic bacteria by a heritable substance from dead cells |
| Hershey & Chase Experiment | Use radioactive labeled sulfur and phosphorus to show that the transforming substance was the part of the bacteriophage inside of the protein coat, not the coat itself |
| Chargaff Experiment | Showed that A=T and C=G when analyzing the genetic material of any given species. |
| The DNA backbone | alternating sugars and phosphates of linked nucleotides |
| Franklin’s Experiment | X-Ray crystallography data showed genetic material to be helical, and provided the width of the helix |
| Watson and Crick Experiment | combined data from many other scientists to determine the double helix structure of DNA |
| Meselson and Stahl Experiment | Experiment that proved DNA replication is semi conservative |