Natural Selection in Humans
The Malaria parasite can exert a selective pressure on populations. This pressure has led to natural selection for erythrocytes carrying the sickle cell hemoglobin gene mutation (Hb S)—causing sickle cell anaemia—in areas where malaria is a major health concern, because the condition grants some resistance to this infectious disease
Read more about this topic: Evolutionary Pressure
Famous quotes containing the words natural selection, natural, selection and/or humans:
“Natural selection, as it has operated in human history, favors not only the clever but the murderous.”
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“She atoned for want of devotion to God, by devotion to man. She had a woman’s natural tendency towards asceticism, self-extinction, self-abnegation.”
—Henry Brooks Adams (1838–1918)
“When you consider the radiance, that it does not withhold
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—Archie Randolph Ammons (b. 1926)
“The difference between humans and wild animals is that humans pray before they commit murder.”
—Friedrich Dürrenmatt (1921–1990)