Blood Typing (ABO system)

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Presentation transcript:

Blood Typing (ABO system) Forensic Science 12/15/14

Drill New Packet! What are the formal names for: What is coagulation? red blood cells white blood cells platelets What is coagulation? What is the formal name for the A or B protein found on a cell? HW: Rev Qs #2-9

Objectives IWBAT Do Punnett Squares to calculate the likelihood of different blood types, given the parents’ or children’s blood types. Explain blood types, the history of blood typing, and agglutination.

Pd. 6 – Blood Typing Game We’re going to play all together:

Let’s talk about blood types – jot on the back of pg. 4 How is your blood type inherited? What are the three alleles for the main gene? What are the two alleles for the second gene?

Genotype vs. Phenotype What is your genotype? What is your phenotype? Your genotype is what your genes actually are What is your phenotype? Your phenotype is what is seen, how your genes are expressed For example, someone with AO vs. AA blood have the same phenotype, but not the same genotype. This is true for other recessive genes.

Practice Punnett Squares Possible children of: AO and BO AB and OO OO and OO AB and A A and B (How many squares???) What about Rh+ and Rh-?

More practice ABO Blood Group Genetics For #7 IA = A, I = O pg. 4 in packet While you work, I’m checking HW For #7 IA = A, I = O Let’s review

Blood Slides We will be looking at 9 different species of animal’s blood, and one diseased human type. You will be sketching them on your worksheet, and then answering questions about them. You may want colored pencils.

Blood Slides

Human Blood

Sickle Cell Blood

Cat Blood

Camel Blood

Bird Blood

Bovine Blood

Reptile Blood

Frog Blood

Limulus Blood – Horseshoe Crab

Sheep Blood

Blood Slide Questions Answer the questions on a separate sheet of paper to turn in.

Closure Create a Punnett square showing the possible offspring of a person with AO blood and another with AA blood. How many genotypes are there? How many phenotypes?