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Inbreeding

Interspecific...

Question

Interspecific hybridisation is mating of :

A

More closely related individuals within same breed for 4-6 generations

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B

Animals within same breed without having common ancestors

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C

Two different related species

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D

Superior males and females of different breed

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Solution

The correct option is A Two different related species
Mating of more closely related individuals within the same breed for 4-6 generations is called inbreeding.Practice of mating of animals within the same breed without having common ancestors is called out-crossing. In inter-specific hybridization male and female animals of two different related species are mated.Mating of superior males and females of different breed results in cross-breeding. So the correct option is "two different related species"

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Q. Which of the following statement(s) is/are correct?

(i) Out-breeding is the breeding of unrelated animals which may be between individuals of the same breed but having no common ancestors for 4 - 6 generations or between different breeds or between different species.

(ii) Cross breeding allows the desirable qualities of two different breeds to be combined.

(iii) In interspecific hybridisation, male and female animals of two different but related species are mated.

Q. A few statements are given below followed by a set of terms in a box. Pick the correct term and write it against the appropriate statement
a. Mating of closely related individuals within the same breed
b. Mating of animals of same breed but having no common ancestors on either side for 4-6 generations
c. Mating of animals of two different species
d. Breeding of animals belonging to different breeds.

(i) Cross breeding, (ii) Inter-specific hybridization, (iii) Out breeding, (iv) Out crossing, (v) Inbreeding

Q. Mating of two closely related individuals within the same breed is called

Q. Match column I with column II and select the correct option.

Column I	Column II
A. Out-crossing	i. Superior males of one breed are mated with superior females of another breed
B. Cross-breeding	ii. Male and female animals of two different species are mated
C. Interspecific hybridisation	iii. Mating of animals within the same breed

Q. Complete the given analogy.

Inbreeding : Mating of closely related animals within the same breed :: Out-crossing :

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