ANT131,7 - 18,000 immigrant families foreign born parents...

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Life Course Balanced Polymorphism The maintenance of two or more alleles in a population due to the selective  advantage of the heterozygous state. Haplogroups and History
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Haplotypes Clusters of genes that are inherited as a unit Haplogroups Set of haplotypes that share similar mutations Fewer than 40 Polygenic Inheritance Traits governed by alleles at more than one locus Continuous gradations, not categories Skin color is a common example of a polygenic trait ~6 loci and at least 12 alleles. Flexible Phenotypes Franz Boas Immigrant Anthropometry study (1838)
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Unformatted text preview: 18,000 immigrant families foreign born parents American born children Chephalic Index Children differed from parents Biological plasticity Life History Approach From conception to senescence and death Evolutionary perspective Biology nested in a cultural context Stages: Prenatal Postnatal Ault stage PRENATAL APPROACH Regulatory genes Tissues differentiation In utero environment Toxins & food aversion Predispositions Heart disease Obesity POSTNATAL APPROACH Growth & development Brain Learning Language Sexual maturation Sexual dimorphism Stature Adulthood?...
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ANT131,7 - 18,000 immigrant families foreign born parents...

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