Topics: Animal Genetics & Breeding, Animal Refresher

Forms of Inbreeding and Outbreeding: Match the Column

Match the column:

TABLE-I	TABLE-II
1) Close breeding	a) Less intensive form of inbreeding
2) Line breeding	b) Simplest form of out breeding
3) Species hybridization	c) More intensive form of inbreeding
4) Out-crossing	d) Breed complementation
5) Cross breeding	e) Farthest form of out breeding

1-a, 2-c, 3-b, 4-e, 5-d
1-c, 2-a, 3-e, 4-b, 5-d
1-c, 2-e, 3-d, 4-a, 5-b
1-b, 2-a, 3-d, 4-e, 5-c

Forms of Inbreeding and Outbreeding: Match the Column

Match the column:

TABLE-I	TABLE-II
1) Close breeding	a) Less intensive form of inbreeding
2) Line breeding	b) Simplest form of out breeding
3) Species hybridization	c) More intensive form of inbreeding
4) Out-crossing	d) Breed complementation
5) Cross breeding	e) Farthest form of out breeding

Options

1-a, 2-c, 3-b, 4-e, 5-d
1-c, 2-a, 3-e, 4-b, 5-d ✓
1-c, 2-e, 3-d, 4-a, 5-b
1-b, 2-a, 3-d, 4-e, 5-c

Correct Answer: B

Explanation in English

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

From Table 2 (Types of Inbreeding) and Table 4 (Types of Outbreeding) in the notes:

1. Close breeding (c): More intensive form of inbreeding. Examples: parent-offspring mating (sire-to-daughter, son-to-dam) and full-sib mating. Inbreeding coefficient (F) = 0.25 (25%).
2. Line breeding (a): Less intensive form of inbreeding. Examples: half-sib mating, cousin mating, grandparent-grand offspring mating. F = 0.125 (12.5%).
3. Species hybridization (e): Farthest/most extensive form of outbreeding — mating between animals of different species. Examples: Mule (Mare × Jack), Hinny (Stallion × Jennet), Cattalo (American buffalo bull × Exotic cattle), Pien-niu (Cattle × Yak), Cama (Camel × Llama).
4. Out-crossing (b): Simplest form of outbreeding — mating between unrelated animals of the same breed. Progeny = outcross.
5. Crossbreeding (d): Breed complementation — combines good qualities of two or more breeds.

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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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