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Standard XII
Biology
Inbreeding
Question

Interspecific hybridization is the mating of _________.
  1. Superior males and females of different breeds
  2. More closely related individuals within same breed for 4-6 generations
  3. Animals within same breed without having common ancestors
  4. Two different related species

A
Two different related species
B
Superior males and females of different breeds
C
More closely related individuals within same breed for 4-6 generations
D
Animals within same breed without having common ancestors
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Solution
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  • Interspecific hybridization refers to a cross between two individuals of two different species or different genera to bring their characters together in the hybrid progeny. Mule is produced by interspecific hybridization.
  • A cross between superior males and females of different breeds refers to cross-breeding while that between animals within the same breed without having common ancestors is called outcrossing.
Therefore, the correct answer is option D.

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Similar Questions
Q1
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

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Q2
Mating of two closely related individuals within the same breed is called
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Q3
Complete the given analogy.

Inbreeding : Mating of closely related animals within the same breed :: Out-crossing :
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Q4
Match column I with column II and choose the correct option from given below.
Column I Column II
A Cross- breeding 1 Mule, a hybrid produced from male donkey and female horse
B Outcross 2 Hisardale breed of sheep
C Interspecific hybridization 3 Practice of breeding unrelated animals
D Out-breeding 4 Practice of mating of animals within the same breed

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Q5
Controlled mating between closely related animals of the same breed for 4-6 generations is known as ______________ .
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