What is the exception to the general rule that DNA is the genetic

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Molecular Basis of Inheritance

Short Answer Type

21. Name the three stop codons.

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22. Name the initiator codon.

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23. What is the exception to the general rule that DNA is the genetic material in all organisms ? Give evidences that support these exceptions.

The exception is that RNA is the gentic material in some organism.Some animal viruses and all plant viruses contain RNA as their genetic material.

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24. What do you mean by a term ‘replication fork’ ?

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25. During DNA replication the nature of replication on 5’-3’ strand and 3'-5' strand is?

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26. Name the nitrogen bases present in RNA.

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27. What are the essential requirements of the genetic materials ?

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Long Answer Type

28. List the various evidences for genetic role of DNA

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Short Answer Type

29. What does transformation experiment prove ?

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30. What is the contribution of Avery, MacCleod and McCarty ?

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