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17 February, 16:58

Which is allopatric and which is sympatric

1. Meiosis occurs incorrectly and produces gametes that are diploid.

2. Several years of drought cause a large lake to dry up into separate smaller bodies of water.

3. Mutation causes some plants to flower only at night, while other plants flower only during the day.

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  1. 17 February, 17:02
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    Answer: The correct answer is-

    Allopatric - option 2.

    Sympatric - option 1.

    Allopatric and sympatric are primarily the two major mechanisms for speciation (formation of new species from an ancestral species).

    In allopatric speciation, a population splits into two different species when it is isolated by physical or geographical barrier.

    On the other hand, sympatric speciation occurs wihtin the same area. A population splits into two species that is becomes reproductively isolated when a change in the chromosome number occurs.

    Thus, option first corresponds to sympatric whereas option second shows allopatric speciaton.
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