Grade 12 Biology: Blood Type Genetics
Explore the genetics of human blood types, including ABO and Rh systems, inheritance patterns, and medical implications.
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Grade 12 Biology: Blood Type Genetics
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Read each question carefully and provide your best answer. Show all your work for calculations.
1. Which of the following genotypes represents an individual with Type A blood?
I^A i
I^B I^B
ii
I^A I^B
2. An individual with Type O blood can receive blood from which blood type(s)?
Type A only
Type B only
Type O only
Type A, B, AB, and O
3. The ABO blood group system is an example of both multiple alleles and .
4. An individual with Rh-negative blood can only receive Rh- blood.
5. Explain the concept of universal donor and universal recipient in the context of blood transfusions. Provide the blood types for each.
6. A man with heterozygous Type A blood (I^A i) and a woman with Type AB blood (I^A I^B) are expecting a child. What are the possible blood types and their phenotypic ratios for their offspring?
Show your work using a Punnett Square:
7. The presence of Rh antigens on red blood cells determines if blood is Rh-positive or Rh-negative.
True
False
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