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Basis of Molecular Inheritance
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Basis of Molecular Inheritance
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25 Questions

1. At time of organogenesis genes regulate the process at different levels and at different time due to [2001]
2. Out of 64 codons - 61 codons code for 20 types of amino acid. It is called [2002]
3. Mutation generally produces [2000]
4. Different mutations referrable to the same locus of a chromosome give rise to [1997]
5. In the genetic dictionary - there are 64 codons as [1990]
6. Transformation experiment was first performed on which bacteria? [2002]
7. Which one of the following pairs of codons is correctly matched with their function or the signal for the particular amino acid? [2008
8. Who proved that DNA is basic genetic material? [1993]
9. When a cluster of genes show linkage behaviour they [2003]
10. The process of transfer of genetic information from DNA to RNA/formation of RNA from DNA is [1991]
11. The length of DNA molecule greatly exceeds the dimensions of the nucleus in eukaryotic cells. How is this DNA accommodated? [2007]
12. The Pneumococcus experiment proves that
13. In split genes - the coding sequences are called
14. Out of A-T - G-C pairing - bases of DNA may exist in alternate valency state owing to arrangement called [1994]
15. In which mode of inheritance do you expect more maternal influence among the offspring? [2006]
16. Anticodon is an unpaired triplet of bases in an exposed position of [1995 - 2000]
17. An environmental agent - which triggers transcription from an operon - is a [1995]
18. Gene and cistron words are sometimes used synonymously because [2001]
19. The transforming principle of Pneumococus as found out by Avery - MacLeod and McCarty was
20. Reverse transcriptase is [1994]
21. The telomeres of eukaryotic chromosomes consist of short sequences of [2004]
22. Which one of the following makes use of RNA as a template to synthesize DNA?
23. Okazaki fragments are seen during [1996]
24. Three codons causing chain termination are [1997]
25. Initiation codon of protein synthesis (in eucaryotes) is [1993 - 94 - 99 - 2000]