Anthro lecture 3 - Anthro lecture 3 2008-10-14 EVOLUTIONARY...

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Anthro lecture 3 15:53 EVOLUTIONARY PROCESS Meiosis-process that occurs in the gamese 1. Replication: or recombine into new combinations 2. First division: each cell has 23 pairs of chromosomes 3. Second division: each cell has just the 1 copy of each of the 23 chromosomes Female=XX-XX, XX-X, X, X, X Male= XY-XY, XY-X, Y, X, Y Fertilization= X+X or X+Y With XX or XY, phenotype usually ~ genotype Genotype not always predictable from phenotype E.g., ABO blood group ABO blood group Determined by 3 alleles (A, B, O) Everyone has 2 alleles Four phenotypes: o Type A o Type B o Type O
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o Type AB Six genotypes- o A and B alleles are dominant, mask recessive O allele in heterozygous genotypes.  o Type O phenotype only if homozygous genotype. o Co-dominant alleles express distinct phenotype Type A  AA AO Type B BB  BO Type O
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This note was uploaded on 04/07/2009 for the course ANTHRO 16254 taught by Professor Bunn,henryt.;hutchinson,sharont.;strier,karent. during the Fall '08 term at University of Wisconsin.

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Anthro lecture 3 - Anthro lecture 3 2008-10-14 EVOLUTIONARY...

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