GPB611 (2+1) Marker Assisted Selection for Crop Improvement

UNIVERSITY OF AGRICULTURAL SCIENCES, RAICHUR
College of Agriculture, Raichur
Department of Genetics and Plant breeding

Midterm Examination

Marks: 20

1. Write advantages of PCR based marker detection compared to Hybridization based. (1.5)

2. What is co segregation of marker and trait. How it is important in gene introgression. (1.5)

3. Explain about SNP. Its utility in crop improvement. (3.0)

4. Write a gene pyramiding scheme for accumulating six target genes. (2.0)

5. What is Integrated linkage map and high density linkage map. Mention utility. (2.0)

6. Write limitation and advantages of marker assisted selection. (2.0)

7. What is validation of marker. (1.0)

8. What is QTL validation. (1.0)

9. Write advantages of SCAR marker. (1.0)

Give reasons:

• AFLP is suitable for whole genome representation.

• More accurate resolution of fragment size is possible in PAGE.

• Reproducibility of RAPD markers is low.

• Multiplexing is possible in case of SSR analysis.

• Genic SSR are useful in assessing functional diversity.