GPB 614 Advances in Cytogenetics Question Paper

University of Agricultural Sciences
Dept. of Genetics And Plant Breeding
Advances in Cytogenetics (GPB 614)
Mid Term Examination

Time: 1 hour
Max. Marks: 40.0
Date: 13.8.2022

1. What are monosomics? How are they used in Plant Breeding? How monosomics are useful in locating genes? 3.0

2. What is banding technique and classification of banding techniques? Describe “C” banding technique. 3.0

3. What are Alien addition and substitution lines? Taking an example of Wheat and Rye, explain with steps DAALS and Alien substitution 3.0

4. What are balanced tertiary trisomics? How can they be synthesized and used in hybrid seed production in Barley 3.0

5. What are duplications? What will be the evolutionary fate of duplicate genes? Explain. 3.0

6. What is the role of taxonomy in genome designation? 3.0

7. What is GAI? Explain different types of chromosome pairing with examples. 3.0