Multiple - multiple-allele inheritance traits with more than 2 alleles o example ABO blood groups o alleles IA IB i IA allele produces A antigen IB

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multiple-allele inheritance: traits with more than 2 alleles o example: ABO blood groups o alleles: I A , I B , i I A allele produces A antigen I B allele produces B antigen Kevin Kelleher, MTC Biology 211 Study Notes Exam 4 20 I allele produces neither A nor B antigen o type A blood: I A I A or I A i o type B blood: I B I B or I B i o type AB blood: I A I B o type O blood: ii o codominance : more than 2 alleles fully expressed A B alleles are dominant - polygenetic inheritance : traits controlled by the combined effects of 2 or more genes o includes most inherited traits o complex inheritance environmental factors skin color, hair color, eye color, height, etc, - o autosomes : every chromosome except the sex chromosomes (chromosome pairs 1-22) o sex chromosomes : chromosome pair 23 (XX in females; XY in males)
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.

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Multiple - multiple-allele inheritance traits with more than 2 alleles o example ABO blood groups o alleles IA IB i IA allele produces A antigen IB

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