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Breeding of the unrelated animals of the...

Breeding of the unrelated animals of the same breed but having no common ancestors for 4-6 generations are

A

Out - crossing

B

Cross - breeding

C

Inter - specific hybridisation

D

All of the above

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The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Question**: The question asks about the breeding of unrelated animals of the same breed that have no common ancestors for 4-6 generations. 2. **Identifying Key Terms**: - "Unrelated animals" indicates that these animals do not share a direct lineage. - "Same breed" means that they belong to the same species or breed category. - "No common ancestors for 4-6 generations" implies that there has been a significant separation in lineage. 3. **Defining Out-Crossing**: The breeding of unrelated animals within the same breed is known as "out-crossing." This practice is used to introduce genetic diversity and improve the overall health and vigor of the offspring. 4. **Examples of Out-Crossing**: - An example of out-crossing can be seen in dog breeding, where different lines or strains of the same breed are crossed to produce healthier puppies. - Out-crossing is beneficial as it helps in reducing the chances of genetic disorders that can occur due to inbreeding. 5. **Conclusion**: Based on the definition and examples provided, the breeding of unrelated animals of the same breed with no common ancestors for 4-6 generations is referred to as out-crossing. **Final Answer**: Out-crossing. ---
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