KEY TAKEAWAYS •
Asexual selection likely existed before sexual selection, which occurred in nature first in a eukaryotic ancestor.
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Prokaryotes do engage in primitive mating, which may involve just an exchange of genetic material.
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There are advantages and disadvantages to both types of reproduction when it comes to evolutionary progress.
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There are certain mating systems that are involved in reproductive strategies among the different species.
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Mate selection usually involves one sex that is choosy and one sex that is more competitive.
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Mate selection can be applied to human traits that indicate who a person is more or less likely to have sex with.
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