Match: Types of Crossing and Their Definitions

Question

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

Select an answer

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. 1-d, 2-c, 3-a, 4-b, 5-e
  2. 1-c, 2-d, 3-a, 4-b, 5-e — Correct Answer
  3. 1-c, 2-a, 3-d, 4-b, 5-e
  4. 1-a, 2-d, 3-c, 4-b, 5-e
Explanation:
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.

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