The male red-winged blackbird has a bright-red patch on its shoulder. This adaptation increases its chances of mating with the female blackbird. Some of the birds underwent mutation, and their offspring didn’t have the red-colored patch.
This mutation increases the birds’
. Individuals with this mutation have
chance of being sexually selected.
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The male red-winged blackbird has a bright-red patch on its shoulder. This adaptation increases its...
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