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Basis of Molecular Inheritance
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Basis of Molecular Inheritance
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25 Questions

1. The eukaryotic genome differs from the prokaryotic genome because [1998]
2. Because most of the amino acids are represented by more than one codon - the genetic code is [1993]
3. Which one of the following is not a part of a transcription unit in DNA? [2012]
4. In DNA - when AGCT occurs - their association is as per which of the following pairs? [1999]
5. Removal of introns and joining the exons in a defined order in a transcription unit is called: [2009]
6. Molecular basis of organ differentiation depends on the modulation in transcription by [2007]
7. Frequency of an allele in a isolated population may change due to [2001]
8. Which one of the following makes use of RNA as a template to synthesize DNA?
9. Protein synthesis occurs [2000]
10. Okazaki fragments are seen during [1996]
11. One gene-one enzyme relationship was established for the first time in [2007]
12. Who proved that DNA is basic genetic material? [1993]
13. The length of DNA molecule greatly exceeds the dimensions of the nucleus in eukaryotic cells. How is this DNA accommodated? [2007]
14. In transgenics - expression of transgene in target tissue is determined by [2004]
15. Haploids are more suitable for mutation studies than the diploids. This is because [2008]
16. During replication of a bacterial chromosome DNA synthesis starts from a replication origin site and [2004]
17. At time of organogenesis genes regulate the process at different levels and at different time due to [2001]
18. Which one of the following also acts as a catalyst in a bacterial cell? [2011]
19. In the genetic dictionary - there are 64 codons as [1990]
20. What would happen if in a gene encoding a polypeptide of 50 amino acids - 25th codon (UAU) is mutated to UAA? [2003]
21. Which is not involved in protein synthesis?
22. What base is responsible for hot spots for spontaneous point mutations? [1998]
23. Transformation experiment was first performed on which bacteria? [2002]
24. Which one of the following triplet codes - is correctly matched with its specificity for an amino acid in protein synthesis or as -—start-˜ or -—stop-˜codon? [2003]
25. In which mode of inheritance do you expect more maternal influence among the offspring? [2006]