Biology
Grade-9
Easy
Question
Which of the following is post-zygotic isolating mechanism:
- Hybrid sterility
- Temporal isolation
- Geographical isolation
- Habitat isolation
Hint:
Hybrid sterility is post-zygotic isolating mechanism.
The correct answer is: Hybrid sterility
- Hybrid sterility can be defined as the supression or isolation of the hybrids of later generation.
- They are the result of mating of organisms of two different species or species of genetic variation.
- Mule is an example.
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