Cellular and Chromosomal manipulations in Crop Improvement GPB604 (2+1)

 UNIVERSITY OF AGRICULTURAL SCIENCES, RAICHUR

                                            College of Agriculture, Raichur

                                  Department of Genetics and Plant Breeding

                 Cellular and Chromosomal manipulations in Crop Improvement
                                                      GPB604 (2+1)

                                                Online Qualifying Examination 2019-20                 Marks: 50

Name:

I D No.

Part A,   I  Fill the blanks

1.      Expand the following:                                                                                                        

LINE :-----------------                                                                                                           0.5

GISH :-----------------                                                                                                          0.5

CsCl  :------------- ----                                                                                                                 0.5

SINE :----------------                                                                                                                    0.5

                             

 

    II   Define                                                                                                                                              2x9 = 18.0

1.      Aneuploidy   2.  Karyotyping,       3. Trisomics    4. Hybrid sorting

5.   Amphidiploid  6. System  Biology     7. Multicolour FISH   8.  Centromere

9.  BTT

PART B. Answer the following                                                                                                             

1.      i)   Explain the structural and numerical  aberrations of chromosomome.                               2.5

ii)  Compare organell ar and nuclear genome.                                                                                 2.5

2.    i)  Compare Prokaryote and Eukaryote gene expression.                                                      2.5

              ii) CMS associated mitochondria loci is complex. Comment.                                                  2.5

PART C. Answer the following                                                                                

1.      Explain pattern of exon-intron architecture in eukaryote genome.                                             5.0

2.      Write about chromosome banding.                                                                                     5.0        

3.      Write the applications of distant hybridization in crop improvement                                          5.0

4.      Discuss the genomic consequences of polyploidy.                                                                            5.0