Inheritance of Blood Types
Explore the principles of Mendelian inheritance as applied to human blood types (ABO and Rh systems) with this Grade 12 science worksheet.
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Inheritance of Blood Types
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Carefully read each question and provide your answers in the space provided. Show all your work for calculations or Punnett squares.
1. Which of the following genotypes represents an individual with type AB blood?
I^A I^A
I^B I^B
I^A I^B
I^A i
2. If a mother has blood type O and a father has blood type AB, what are the possible blood types of their children?
A, B, AB, O
A, B
AB, O
A, O
3. The ABO blood group system is an example of and inheritance.
4. An individual with blood type O possesses antigens on their red blood cells.
5. The Rh factor is determined by the presence or absence of the antigen.
6. A person with blood type A can safely receive blood from a universal donor.
True
False
7. Erythroblastosis fetalis can occur when an Rh-negative mother carries an Rh-positive fetus.
True
False
8. A man with blood type B (heterozygous) and a woman with blood type A (heterozygous) are expecting a child. What are the possible genotypes and phenotypes for their offspring? Use a Punnett square to support your answer.
9. Explain the concept of codominance using the ABO blood group system as an example.
10. Observe the diagram of blood cells below. Identify and label the different types of blood cells and describe their primary functions.
