Unit 5 AGB Quiz

1. Which of the following best describes the selection differential (S)?

2. In the formula S = i × σp, what does ‘i’ represent?

3. Which factor does NOT affect the selection differential?

4. The generation interval is defined as:

5. When selection is carried out continuously, the response to selection eventually stops, reaching a:

6. The response to selection (R) is calculated as:

7. Which selection method is most appropriate for traits with low heritability?

8. In progeny testing, the accuracy of selection:

9. The selection index method is considered superior to other methods because:

10. Which statement about the independent culling level (ICL) method is correct?

11. What is the relationship between selection differential (S) and phenotypic standard deviation (σ_P)?

12. Which of the following factors does NOT affect the selection differential?

13. In the context of selection accuracy, what is the correct statement about using half-sibs for selection?

14. Which selection method allows for compensation of deficiencies in some traits by superiority in others?

15. What is the primary cause of reaching a selection limit or plateau in a population?

16. How is the response to selection (R) calculated?

17. Which of the following is NOT a factor affecting genetic gain?

18. In the context of family selection, which statement is FALSE?

19. What is the main disadvantage of progeny testing?

20. In the Independent Culling Level method, what happens if an animal fails to meet the minimum standard for any one trait?