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Blood Genetics & Codominance Notes

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Presentation on theme: "Blood Genetics & Codominance Notes"— Presentation transcript:

1 Blood Genetics & Codominance Notes

2 Codominance Codominance – some genes have two alleles that are the same strength -- causes a new trait.

3 Codominance

4

5 Blood Typing

6 List the different blood type phenotypes:
These are known as _____________________________

7 List the different blood type phenotypes:
A AB B O These are known as antigens

8 What blood type accepts what?
B accepts ____, _____ A accepts ____, _____ Everyone accepts ____ O accepts ____ AB accepts ____, ____, ____, ______

9 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

10 Why would it be nice to have AB blood?
__________________________________________________________ __________________________________________________________ __________________________________________________________

11 Phenotype Genotype Type A Type B Type AB Type O

12 Phenotype Genotype Type A IAIA <- Homozygous IAi <- Heterozygous Type B Type AB Type O

13 Phenotype Genotype Type A IAIA IAi Type B IBIB <- Homozygous IBi <- Heterozygous Type AB Type O

14 Phenotype Genotype Type A IAIA IAi Type B IBIB IBi Type AB IAIB Type O ii

15 Phenotype Genotype Type A IAIA IAi Type B IBIB IBi Type AB IAIB Type O ii <- no antigens

16 Work on these independently, but be ready to share!
Practice Sets Work on these independently, but be ready to share!

17 Complete the Punnett Square
IA IA IA i

18 Complete the Punnett Square
IA IA IAIA IAi IA i

19 Complete the Punnett Square
IA IA IB IB

20 Complete the Punnett Square
IA IA IAIB IB IB

21 Complete the Punnett Square
IA IB IA IB

22 Complete the Punnett Square
IA IB IAIA IAIB IBIB IA IB

23 Complete the Punnett Square
IA IA i i

24 Complete the Punnett Square
IA IA IAi i i

25 Complete the Punnett Square
IA IB IA IA

26 Complete the Punnett Square
IA IB IAIA IAIB IA IA

27 Complete the Punnett Square
IB i IA i

28 Complete the Punnett Square
IB i IAIB IAi IBi ii IA i

29 Blood Typing Lab Tomorrow!

30 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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