Biology 1225 Chapter Notes - Chapter 6: Ionizing Radiation, Allosome, Semiconservative Replication
7 Nov 2017
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Dna: the dna is each body cell of a multicelled individual contains all the info necessary to build the individual again. 2: later it was confirmed that the molecule held hereditary info, any molecule had to have certain properties in order to function as a hereditary material, 1. A full complement of hereditary info must be transmitted along with the molecule: 2. Cells of a given species should contain the same amount of it: 3. Molecule functions as a genetic bridge b/w generations, it has to be exempt from major change: 4. Must be capable of encoding the almost unimaginably huge amount of info require to build a new individual. In 1940, hershey and chase confirmed the first property to be true when working wit bacertiophages. Amount of thymine and adenine are identical, and amount of guanine and. 3: dna sequence variation is the basis of traits that define species and distinguish individuals.
