blood typing
DESCRIPTION
Blood Typing. Catalyst: In camels, having a large hump is dominant over having a small hump. Create a Punnett square to show the potential offspring of a heterozygous camel and a camel with a small hump. Make sure to list the genotype and phenotype percentages!. Write in complete sentences! - PowerPoint PPT PresentationTRANSCRIPT
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Blood Typing
Catalyst: In camels, having a large hump is
dominant over having a small hump. Create a Punnett square to show the
potential offspring of a heterozygous camel and a camel with a small hump.
Make sure to list the genotype and phenotype percentages!
Write in complete sentences!
Don’t talk during the Catalyst!
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Have you ever wondered…
Why we have different types of blood?
Why could you die if you get a transfusion of the wrong type of blood?
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Objectives
By the end of today, SWBAT…Identify blood type genotypes and phenotypes
Determine the correct type of blood to transfuse into a patient
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Agenda
Catalyst/HW ReviewQuizTypes of bloodAre you a positive person?Whiteboards practiceVIDEO GAME PRACTICEExit Question
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Catalyst/Homework Review
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Blood Typing
Sometimes there are more than two alleles for a trait. The most important case for you to learn about is… blood type!
Key Point #1: Blood type has three alleles: IA, IB, and i. IA and IB are both dominant (co-dominant).
i is recessive.
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Types of blood
IA and IB are co-dominant IA IA = Type A IB IB = Type B IA IB = Type AB
i is recessive IA i = Type A IB i = Type B i i = Type O
Since IA and IB are both
dominant, they are
expressed at the SAME
TIME
Since IA and IB are both
dominant, they are
expressed at the SAME
TIME
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Antigens and Antibodies
Key Point #2: Antigens determine blood type. Antibodies attack antigens. If you receive the wrong type of blood, your
antibodies will attack the new antigens, causing blood cells to clump and crack.
Type A blood has A antigens, and B antibodies.
Type B blood has B antigens, and A antibodies.
Type AB blood has A and B antigens, and no antibodies
Type O blood has no antigens, and A and B antibodies
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Positive or Negative
Key Point #3: Rhesus factor determines if your blood type is positive or negative If you have Rh factor, your blood is
positive If you lack the Rh factor, your blood is
negative
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Whiteboards
For each problem… Determine the blood type Determine if the person can receive the transfusion
If the person CANNOT receive the transfusion, explain what will happen if the wrong type blood is given to them
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It’s time to pretend that we’re…
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Guided Practice
Bob Dylan’s blood is IAIA, and lacks Rh factor. What type blood does he have? Can he receive Type B blood? Can he receive Type O blood?
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Guided Practice
D’Angelo’s blood is IBi, and has Rh factor. What type blood does he have? Can he receive Type AB blood? Can he receive Type B blood?
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Guided Practice
Goapele’s blood is IAIB, and lacks Rh factor. What type blood does she have? Can she receive Type B Rh- blood? Can she receive Type A Rh+ blood?
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Guided Practice
Dave Grohl’s blood is ii, and has Rh factor. What type blood does he have? Can he receive Type O Rh+ blood? Can he receive Type AB Rh- blood?
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Guided Practice
Kid Cudi’s blood is IAIA, and lacks Rh factor. What type blood does he have? Can he receive Type O Rh- blood? Can he receive Type AB Rh+ blood?
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Guided Practice
Nujabes’s blood is IBi, and has Rh factor. What type blood does he have? Can he receive Type B Rh- blood? Can he receive Type A Rh+ blood?
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Guided Practice
Drake’s blood is IAIB, and lacks Rh factor. What type blood does he have? Can he receive Type A Rh- blood? Can he receive Type B Rh+ blood?
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Guided Practice
Lady Gaga’s blood is ii, and has Rh factor. What type blood does she have? Can she receive Type AB Rh+
blood? Can she receive Type O Rh- blood?
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SICK VIDEO GAME
http://nobelprize.org/educational_games/medicine/landsteiner/landsteiner.html
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Exit Question
Lil’ Wayne’s blood is IAi, and has Rh factor. What type blood does he have? Can he receive Type A Rh- blood? What will happen if he donates
blood to someone who is Type AB Rh-?
Write in complete sentences!
Don’t talk during the Exit Question!