Question

A crow picked up a beetle from one region and dropped it by chance at another region without eating. Then, the beetle had to breed with the beetles of the new region thereby producing a new genetic combination. Identify the evolutionary agent involved.

Reproductive isolation

Speciation

Genetic drift

Gene flow




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Answer 1

Answer:

gene flow

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Answer 2

Gene flow is the correct answer.

• Gene flow refers to "transfer of genetic variation from one population to another."
• Common example of gene flow is transfer of pollen from one population of flower to another population.
• Gene flow increases homogeneity.
• Addition of new genes to existing population can have beneficial as well as disastrous effect for the population.