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Biology, 18.06.2021 14:00 mariaguadalupeduranc

Henry was studying two populations of the same species of lizards. One population lived on an island and the other lived on the mainland. Both populations were affected by a hurricane that hit the island and the mainland with equal force. A year later, Henry was testing the gene frequency and saw a decrease in genetic variation in the island species, but not in the mainland species. Which best describes a conclusion he might have reached? A- Gene flow greatly affects small populations, but large populations can recover.
B- Genetic drift greatly affects small populations, but large populations can recover
C- Gene flow greatly affects large populations, but small populations can recover
D- Genetic drift greatly affects large populations, but small populations can recover

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