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Incomplete Dominance & Co- Dominance. MEDELIAN GENETICS.

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Presentation on theme: "Incomplete Dominance & Co- Dominance. MEDELIAN GENETICS."— Presentation transcript:

1 Incomplete Dominance & Co- Dominance

2 MEDELIAN GENETICS

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5 NONMEDELIAN GENETICS NEITHER THIRD BLEND / MIX RR = Homozygous R’R = Heterozygous (Creates THIRD Phenotype) R’R’ = Homozygous RR = REDR’R’ = WHITEPINKRR’= HOMOZYGOUS HETEROZYGOUS

6 NONMEDELIAN GENETICS Red White Pink RR = Red R’R’ = White RR’ = Pink RR’ RR’ R RR R R Genotype: _____ _____ _____ Phenotype: ______ ______ ______ RR RR’ R’R’ RedPinkWhite 1 (25%) 2 (50%) 1 (25%) 2 (50%) 1 (25%)2 (50%) 1 (25%)

7 NONMEDELIAN GENETICS BB = BLUEB’B’ = RED BB’PURPLE= BLUE RED PURPLE BB = BLUE BB’ = PURPLE B’B’ = RED BB’B’B’ BB’ B B HOMOZYGOUS HETEROZYGOUS Genotype: _____ _____ _____ Phenotype: ______ ______ ______ BLUE RED PURPLE BB’ B’B’BB 0 (0%)2 (50%) 0 (0%)2 (50%) 0 (0%)2 (50%)

8 NONMEDELIAN GENETICS Incomplete Dominance Practice Problems

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10 NONMEDELIAN GENETICS BOTH CAPITAL BB = Homozygous BW = Heterozygous WW = Homozygous WW = White HOMOZYGOUS BB = Black HOMOZYGOUS Black & White BW = HETEROZYGOUS

11 NONMEDELIAN GENETICS BB = Black HOMOZYGOUS WW = White HOMOZYGOUS HETEROZYGOUS BW =Black & White White Black Black & White WW = White BW = Black & White BB = Black BBBW Genotype: _____ _____ _____ Phenotype: ______ ______ ______ BB BW WW Black Black & White White BB B W B BB BB W B W 2 (50%) 0 (0%) 2 (50%) 0 (0%) 2 (50%) 0 (0%)

12 NONMEDELIAN GENETICS Purple Orange Purple & Orange PP = Purple PO = Purple & Orange OO = Orange PO P HETEROZYGOUS OO = Orange PP = Purple HOMOZYGOUSHETEROZYGOUS O=Purple & Orange PO PP P O P OOO OP Genotype: _____ _____ _____ Phenotype: ______ ______ ______ PPPOOO Purple Purple & Orange Orange 1 (25%) 2 (50%) 1 (25%) 2 (50%) 1 (25%) 2 (50%)

13 NONMEDELIAN GENETICS Co-Dominance Practice Problems

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15 (NON)MEDELIAN GENETICS Complete dominance, Codominance, Incomplete dominance

16 (NON)MEDELIAN GENETICS Complete dominance, Codominance, Incomplete dominance

17 NONMEDELIAN GENETICS Complete dominance, Codominance, Incomplete dominance

18 NONMEDELIAN GENETICS Complete dominance, Codominance, Incomplete dominance

19 (NON)MEDELIAN GENETICS Complete dominance, Codominance, Incomplete dominance

20 NONMEDELIAN GENETICS Complete dominance, Codominance, Incomplete dominance

21 NONMEDELIAN GENETICS Complete dominance, Codominance, Incomplete dominance A red cow and a white cow have roan (spotted) offspring.

22 NONMEDELIAN GENETICS Complete dominance, Codominance, Incomplete dominance

23 NONMEDELIAN GENETICS Complete dominance, Codominance, Incomplete dominance A black mouse and a white mouse have grey offspring in the F1 generation.

24 NONMEDELIAN GENETICS Complete dominance, Codominance, Incomplete dominance A green pea plant and a yellow pea plant have all green offspring.


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