Method of Selection for One Trait at a Time
In which type of selection is only one trait selected at a time?
- Independent culling method
- Tandem selection — Correct Answer
- Selection index method
- Family selection
Explanation:
Correct Answer: Tandem selection
In Tandem selection, only one trait is selected at a time. It is the least efficient method of multi-trait selection.
Methods of Multi-Trait Selection (Given by Hazel and Lush, 1942)
| Method | Traits Selected | Efficiency |
|---|---|---|
| Tandem selection | One at a time | Least efficient |
| Independent culling | Two or more simultaneously | Moderate |
| Selection index (Total scorecard) | Several simultaneously | Best/Most efficient |
Increasing order of efficiency: Tandem selection < Independent culling < Selection index
📚 About this Topic — Animal Genetics & Breeding
This multiple choice question is from Animal Genetics & Breeding, Animal Refresher. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Genetics & Breeding to strengthen your preparation.