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Polyandry occurs in a species if the male is low in parental investment and the female is high.
Barack Obama
The 44th President of the United States, serving from 2009 to 2017, and the first African American to hold the office.
Traditionally-defined Racial Groups
Categories of human populations based on shared physical or social qualities into which societies have divided people.
Biological Markers
Indicators or measurable substances in the body that can signify health conditions, genetic predispositions, or disease states.
Genetic Variation
The diversity in gene frequencies within a species, which contributes to differences among individuals, including susceptibility to diseases, and physical and psychological characteristics.
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