In a species of snail (Snail 1), a locus has two alleles, A and B. The snail has populations on a continent and a small nearby island. The frequency of allele A on the continent is 0.7, and the frequency of allele A on the island is 0.2. If the migration rate, m, from the continent to the island is 0.1 (assume no migration from island back to continent), What is the change in the frequency of allele A after the first generation, compared to the original population?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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In a species of snail (Snail 1), a locus has two alleles, A and B. The snail has populations
on a continent and a small nearby island. The frequency of allele A on the continent is
0.7, and the frequency of allele A on the island is 0.2.
If the migration rate, m, from the continent to the island is 0.1 (assume no migration
from island back to continent),
What is the change in the frequency of allele A after the first generation, compared to
the original population?
Transcribed Image Text:In a species of snail (Snail 1), a locus has two alleles, A and B. The snail has populations on a continent and a small nearby island. The frequency of allele A on the continent is 0.7, and the frequency of allele A on the island is 0.2. If the migration rate, m, from the continent to the island is 0.1 (assume no migration from island back to continent), What is the change in the frequency of allele A after the first generation, compared to the original population?
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