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Genetic Engineering

Which is not ...

Question

Which is not a pre-zygotic isolation mechanism?

A

Geographical isolation

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B

Ecological isolation

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C

Seasonal isolation

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D

Hybrid sterility

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Solution

The correct option is D Hybrid sterility
Sterility of hybrid is never a pre - zygotic isolation mechanism.Hybrid zygotes sometimes develop into adults, such as mules (hybrids
between female horses and male donkeys), but the adults fail to develop
functional gametes and are sterile.

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