Which of the following could be an example of gene flow?
Brown mice in a forest have been eaten less by predators compared to white mice.
Hyenas that can run the fastest have been living longer and reproducing more because they catch more prey.
A population of spiders randomly starts producing only black offspring.
A population of gray squirrels migrates to a new area and start to mate with a population of red squirrels.
Which of the following could be an example of gene flow? A population of gray squirrels migrates to a new area and start to mate with a population of red squirrels
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The correct answer is: “A population of gray squirrels migrates to a new area and start to mate with a population of red squirrels.”
Explanation: Gene flow refers to the transfer of genetic material between populations through reproduction. In this example, the gray squirrels moving to a new area and mating with red squirrels allows for the mixing of their genes, which is a direct instance of gene flow. The other options describe different concepts related to natural selection or genetic drift, but not gene flow.