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Continued inbreeding, especially close i...

Continued inbreeding, especially close inbreeding generally results in

A

inbreeding depression

B

inbreeding stimulation

C

inbreeding hybridisation

D

inbreeding mutation.

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The correct Answer is:
A
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Assertion (A) : Continued inbreeding , especially close inbreeding , usually reduces fertility and even productivity . Reason (R) : Selected animals of the inbreeding population should be mated with unrelated superior animals of the same breed usually not helps in restoring of fertility and yield.

Continuous inbreeding reduces

Inbreeding increases

Inbreeding depression is -

Continuous breeding leads to inbreeding depressioin. If so define the following (i) Outcrossing (ii) Crossbreeding.

Assertion : Loss of vigour called inbreeding depression occurs when inbreeding is continued for many generations. Reason : Quarantine can be done to overcome the harmful effects of inbreeding depression.

What is inbreeding depression ?

NCERT FINGERTIPS-STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION-Strategies For Enhancement In Food Production
  1. Which of the following statements is not correct regarding inbreeding ...

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  2. The term ''inbreeding depression'' is related to

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  3. Continued inbreeding, especially close inbreeding generally results in

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  4. Study the following statements regarding inbreeding and select the inc...

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  5. Given below are four statements (i)-(iv). Which two of the following s...

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  6. A breed of cow is mated with closely related breed for five generation...

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  7. The breeding carried out between animals of different breeds is called

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  8. Fill up the blanks by selecting the correct option. In cross-breedin...

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  9. Which of the following is example of cross-breed ?

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  10. Hisardale is a new breed of sheep developed in Punjab by crossing

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  11. Crossing of individuals of two different species to produce a hybrid i...

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  12. A mule is produced by the interspecific hybridisation between

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  13. Fill in the blanks in the following statements by selecting the correc...

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  14. Match the terms given in column I with their descriptions given in col...

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  15. Artificial insemination involves

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  16. Read the following statements and select the incorrect one.

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  17. Artificial breeding of cattle is brought about by

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  18. MOET stands for

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  19. Given below are the three statements each with one or two blanks. Sele...

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  20. Given below are four statements (A-D) each with one or two blanks. Sel...

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