How is fertility and yield restored after inbreeding depression?a)Sele...
Restoration of Fertility and Yield after Inbreeding Depression
Inbreeding depression is a phenomenon where the breeding of closely related individuals results in a decrease in fertility, yield, and other desirable traits in the offspring. To restore fertility and yield after inbreeding depression, the following measures can be taken:
Selective Breeding
Selective breeding involves choosing animals with desirable traits and breeding them to produce offspring with those traits. In the case of inbreeding depression, selected animals of the breeding population should be mated with unrelated superior males of the same breed. This helps to introduce new genetic variations into the population and reduce the expression of deleterious recessive genes.
Outcrossing
Outcrossing is a breeding strategy where animals from different breeds are mated to produce offspring with desirable traits. While outcrossing can help to introduce new genetic variations, it may also result in undesirable traits and reduced uniformity in the population.
Crossbreeding
Crossbreeding involves mating animals from different breeds to produce offspring with desirable traits. This strategy can help to achieve heterosis or hybrid vigor, which is a phenomenon where the offspring of two different breeds have superior traits compared to their parents.
Conclusion
In conclusion, the restoration of fertility and yield after inbreeding depression requires careful selection of breeding animals and the introduction of new genetic variations into the population. Selective breeding is the most effective strategy as it helps to maintain the desirable traits of the breed while reducing the expression of deleterious recessive genes. However, outcrossing and crossbreeding can also be used under specific circumstances to achieve desirable traits.
How is fertility and yield restored after inbreeding depression?a)Sele...
Outcrossing is the best method.so opt.a
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