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Published byMadlyn Simpson Modified over 9 years ago
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Special Cases Nina and Kristi
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Codominance non identical alleles that express two different phenotypes both present themselves Blood type both A and B blood types are dominant if you inherit both then your blood type is AB AA Ao ABBo Ao A B
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Codominance Chickens Mother hen is white(Wb) and Father is black (BB) Both white and black are dominant WB Bb WB Bb Wb B B
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Incomplete Dominance When one Allele is not completely dominant over another
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Epistasis When one gene modifies or masks another C =pigment c = no pigment B= black b = brown
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Sex Linked Genes Genes that are directly linked to the chromosomes that determine sex Females inherit both x chromosomes Males inherit the x and y chromosomes The x chromosome codes for around 1500 genes The y chromosome codes for around 80 genes
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