SOQ__12_Answers - General Biology I Study Objective...

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General Biology I Study Objective Questions #12 Patterns of Inheritance Reading: Raven et. al., Chapter 14 1. Hammerling’s experiment on the green algae, Acetabularia, proved that the cells store hereditary information in the nucleus . He grafted stalk of each species of Acetabularia onto the foot of the other species. The nucleus containing foot determines the type of caps to be formed in each case. 2. The transfer of genetic information from one cell to another and can alter the genetic make up of the recipient cell is called transformation . Avery, McLeod and McCarty's experiment proved that DNA is the transforming principle. This was the first demonstration that genes (the hereditary material) are composed of DNA. Griffith's experiment proved that hereditary information can pass from dead cells to living ones and can transform them (with his mice experiment). 3 . Hereditary material is a DNA and NOT a protein. Hershey-Chase Experiment proved this by putting radioactive isotopes in the protein coat of one bacteriophage and in the DNA of another. The two bacteriophages infected two different cells and radioactivity was detected in the cell that radioactive-isotope-filled DNA bacteriophage infected. 4.
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SOQ__12_Answers - General Biology I Study Objective...

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