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Outbreeding is an important strategy of animal husbandry because it:
- Option 1)
is useful in producing purelines of animals.
- Option 2)
is useful in overcoming inbreeding depression.
- Option 3)
exposes harmful recessive genes that are eliminated by selection.
- Option 4)
helps in accumulation of superior genes.
Answers (1)
As we learnt in
Out-crossing -
This is the practice of mating of animals within the same breed, but having no common ancestors on either side of their pedigree up to 4-6 generations.
- wherein
The offspring of such a mating is known as an out-cross. It is the best breeding method for animals that are below average in productivity in milk production, growth rate in beef cattle, etc. A single outcross often helps to overcome inbreeding depression.
It is the best breeding method for animals that are below average in productivity in milk production, growth rate in beef cattle, etc. A single outcross often helps to overcome inbreeding depression.
Option 1)
is useful in producing purelines of animals.
This solution is incorrect
Option 2)
is useful in overcoming inbreeding depression.
This solution is correct
Option 3)
exposes harmful recessive genes that are eliminated by selection.
This solution is incorrect
Option 4)
helps in accumulation of superior genes.
This solution is incorrect
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