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Palaeozoic Era

Sympatric spe...

Question

Sympatric speciation develops reproductive isolation without

A

Geographic barrier

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B

Barrier to mating

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C

Barrier to gene flow

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D

Genetic change

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Solution

The correct option is A Geographic barrier
A subpopulation becomes reproductively isolated from its parental population. It is the formation of species without geographical isolation and these species are called sympatric speciation.
So, the correct option is 'Geographical barrier'

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Q. Assertion :Sympatric speciation always occur due to geographical isolations. Reason: Sympatric speciation is a single population splitting into two due to reproductive isolation.

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Q. Assertion :Geographic isolation brings about sympatric speciation.
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Column I Column II
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II. Sympatric speciation B. Mecham
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