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The Search for Genetic Material

Molecular Basis of Inheritance
Biology
Class 12

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Explain transforming principle - griffith's series of experiments with streptococcus pneumoniae,discuss biochemical characterisation of transforming principle. Explain briefly Avery, macleod and mccarty's experiment.Discuss Hershey and chase's isotope experiment with bacteriophages.

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Properties of Genetic Material - DNA Vs RNA

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Which of the following is true with reference to transformation in bacteria
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ii) Uptake of DNA fragments from the surrounding environment and expression of that genetic information in recipient cell 
iii) Transformation experiments were the basis to propose chromosomal theory of inheritance
iv) Transformation was discovered by Griffith in Streptococcus pneumonia

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