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Earn 100

Explain the criteria for selective breeding in cows.

Important Questions on Selection and Evolution

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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection
Explain outbreeding, outcrossing and cross-breeding practices in animal husbandry.  
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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection
An improved variety of crop plant of Brassica resistant against white rust is
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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection
"Himgiri" developed by hybridisation and selection for disease resistance against rust pathogens, is a variety of 
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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection
Explain how to overcome inbreeding depression in cattle. List three advantages of inbreeding in cattle. Name an improved breed of cattle.
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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection
State the disadvantages of inbreeding among cattle. How it can be overcome? 
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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection

The process of mating of unrelated animals of the same breeds but having no common ancestor for 4 to 6 generation is called

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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection

In animal husbandry, if two closely related animals are mated for a few generations, it results in loss of fertility and vigour. Why is this so?

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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection
The term "inbreeding depression" is related to
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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection
Name the process through which modern breed of pet dog was acquired.
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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection
Outbreeding is an important strategy of animal husbandry because it 
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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection
A herd of cattle is showing reduced fertility and productivity. Provide one reason and one suggestion to overcome this problem.
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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection
Mention the strategy used to increase homozygosity in cattle for desired traits.
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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection
Inbreeding for five generations led to the production of homozygous transgenic mice. However, these homozygous males or females were infertile. Which of the following approaches is most preferable and economical to obtain heterozygous transgenic animals continuously?
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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection
 What is inbreeding depression? Explain the importance of 'selection' during inbreeding in cattle.
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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection
Inbreeding is carried out in animal husbandry because it
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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection
Which one of the following is a bacterial disease?
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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection
Reduction in fertility due to continued inbreeding is called inbreeding depression and is overcome by mating the animals with
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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection
Continued inbreeding, especially close inbreeding generally results in
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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection
Breeding for disease resistance requires
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Biology>Genetics and Evolution P2>Selection and Evolution>Artificial Selection
Write differences between the inbreeding and outbreeding.