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Blood Genetics & Codominance Notes
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Codominance Codominance – some genes have two alleles that are the same strength -- causes a new trait.
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Codominance
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Blood Typing
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List the different blood type phenotypes:
These are known as _____________________________
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List the different blood type phenotypes:
A AB B O These are known as antigens
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What blood type accepts what?
B accepts ____, _____ A accepts ____, _____ Everyone accepts ____ O accepts ____ AB accepts ____, ____, ____, ______
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What blood type accepts what?
B accepts B, O A accepts A, O Everyone accepts O O accepts O AB accepts A, B, AB & O
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Why would it be nice to have AB blood?
__________________________________________________________ __________________________________________________________ __________________________________________________________
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Phenotype Genotype Type A Type B Type AB Type O
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Phenotype Genotype Type A IAIA <- Homozygous IAi <- Heterozygous Type B Type AB Type O
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Phenotype Genotype Type A IAIA IAi Type B IBIB <- Homozygous IBi <- Heterozygous Type AB Type O
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Phenotype Genotype Type A IAIA IAi Type B IBIB IBi Type AB IAIB Type O ii
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Phenotype Genotype Type A IAIA IAi Type B IBIB IBi Type AB IAIB Type O ii <- no antigens
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Work on these independently, but be ready to share!
Practice Sets Work on these independently, but be ready to share!
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Complete the Punnett Square
IA IA IA i
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Complete the Punnett Square
IA IA IAIA IAi IA i
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Complete the Punnett Square
IA IA IB IB
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Complete the Punnett Square
IA IA IAIB IB IB
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Complete the Punnett Square
IA IB IA IB
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Complete the Punnett Square
IA IB IAIA IAIB IBIB IA IB
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Complete the Punnett Square
IA IA i i
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Complete the Punnett Square
IA IA IAi i i
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Complete the Punnett Square
IA IB IA IA
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Complete the Punnett Square
IA IB IAIA IAIB IA IA
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Complete the Punnett Square
IB i IA i
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Complete the Punnett Square
IB i IAIB IAi IBi ii IA i
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Blood Typing Lab Tomorrow!
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Update Data Folder & Pass Back Papers
I need 4 volunteers to help with passing out papers! Take out Data Folder – you should have your plus/delta sheet for “Cells and Cell Division”. Update data folder with (printed) handouts in your ISN, filed under the tab “Cells and Cell Division.” Reminder: Monsters Inc. Genetics due Friday! Reminder: H&G Project Part 1 due Monday!!!!!****
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