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Incomplete Dominance & Co-Dominance

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

1 Incomplete Dominance & Co-Dominance

2 MEDELIAN GENETICS

3 MEDELIAN GENETICS

4 MEDELIAN GENETICS

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

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

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

8 NONMEDELIAN GENETICS Incomplete Dominance Practice Problems

9

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

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

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

13 NONMEDELIAN GENETICS Co-Dominance Practice Problems

14

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

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

17 Complete dominance, Codominance, Incomplete dominance
NONMEDELIAN GENETICS Complete dominance, Codominance, Incomplete dominance

18 Complete dominance, Codominance, Incomplete dominance
NONMEDELIAN GENETICS Complete dominance, Codominance, Incomplete dominance

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

20 Complete dominance, Codominance, Incomplete dominance
NONMEDELIAN GENETICS Complete dominance, Codominance, Incomplete dominance

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

22 Complete dominance, Codominance, Incomplete dominance
NONMEDELIAN GENETICS Complete dominance, Codominance, Incomplete dominance

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

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


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