For each of the following statements, indicate if it is generally most descripti

Question

For each of the following statements, indicate if it is generally most descriptive of a 3-breed rotational crossbreeding system, a 2-breed rota-terminal crossbreeding system, or a 3-breed composite. In the 2-breed rota-terminal crossbreeding system, the majority of progeny produced are from the terminal cross.

System Description Retains the greatest amount of , maternal heterosis Is the simplest system Produces the most uniform group of progeany Produces the most uniform group of progeny Retains the greatest amount of Fi individual HV

Explanation / Answer

Cross breeding system is the mating of different breed compositions or types. It provides heterosis or hybrid vigour and complementarity in breeding.

System Description 3-breed rotational Retains the greatest amount of f1 maternal heterosis. 2-breed rota-terminal Is the simplest system. 3-breed composite produces the most uniform group of progeny. 3-breed rotational Retains the greatest amount of f1 individual HV.

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