Match: Types of Crossing and Their Definitions
Match the column — Types of crossing and their definitions:
TABLE-I TABLE-II
1. In crossing a. Mating between unrelated animals of the same breed
2. In cross-breeding b. Mating of purebred (inbred) males with unrelated females
3. Out-crossing c. Crossing of two different inbred lines of the same breed
4. Top-crossing d. Crossing of two different inbred lines of different breeds
5. Species hybridization e. Mating between animals of different species
- 1-d, 2-c, 3-a, 4-b, 5-e
- 1-c, 2-d, 3-a, 4-b, 5-e — Correct Answer
- 1-c, 2-a, 3-d, 4-b, 5-e
- 1-a, 2-d, 3-c, 4-b, 5-e
Correct Answer: 1-c, 2-d, 3-a, 4-b, 5-e
Correct Matching
| Method | Definition |
|---|---|
| In crossing | Crossing of two different inbred lines derived from the same breed |
| In cross-breeding | Crossing of two different inbred lines derived from different breeds |
| Out-crossing | Mating between unrelated animals of the same breed (simplest form of outbreeding) |
| Top-crossing | Mating of purebred (inbred) males with unrelated females (like grading up but for one generation) |
| Species hybridization | Mating between animals of different species (farthest form of outbreeding) |
📚 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.