4. Human blood type is controlled by three alleles, IA, 18, and Iº. The IA and I3 alleles are codominant to each other. The lº allele is recessive, as shown: Blood type Genotype IA, Iº IA, IA IB, 1° IB, IB IA, IB 1° I° A AO AA В BO BB АВ АВ 00 a. Consider the following pedigree. What are the possible genotypes of each individual? АВ A B (1) (2) (3) (4) F1 В A A A В (5) (6) (7) (8) (9) (10) (11) F2 АВ (12) (13) b. Suppose F2 person 13 reproduces with a person of the O blood type. What are the possible phenotypes of the children and their probability?

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**Blood Type Inheritance**

**Blood Type and Genotype Table:**
Human blood type is controlled by three alleles: \(I^A\), \(I^B\), and \(I^O\). The \(I^A\) and \(I^B\) alleles are codominant, whereas the \(I^O\) allele is recessive. The table below shows the relationship between blood type and genotype:

| Blood Type | Genotype  |
|------------|-----------|
| A          | \(I^A I^O\), \(I^A I^A\) |
| B          | \(I^B I^O\), \(I^B I^B\) |
| AB         | \(I^A I^B\)   |
| O          | \(I^O I^O\)   |

**Pedigree Analysis:**

a. **Pedigree Diagram:**
The pedigree chart depicts several generations with blood types for each individual. The possible genotypes for each individual need to be determined based on their blood type and their relations:

- Generation P:
  1. Individual (1) - Blood Type: AB
  2. Individual (2) - Blood Type: A
  3. Individual (3) - Blood Type: O
  4. Individual (4) - Blood Type: B

- Generation F1:
  5. Individual (5) - Blood Type: B
  6. Individual (6) - Blood Type: A
  7. Individual (7) - Blood Type: A
  8. Individual (8) - Blood Type: A
  9. Individual (9) - Blood Type: B
  10. Individual (10) - Blood Type: O
  11. Individual (11) - Blood Type: O

- Generation F2:
  12. Individual (12) - Blood Type: O
  13. Individual (13) - Blood Type: AB

b. **Probability Exercise:**
Suppose individual 13 from generation F2, with blood type AB, reproduces with a person of blood type O. The possible phenotypes of their children and their probabilities must be determined.

To solve this, consider:
- Parent 1: \(I^A I^B\) (Blood type AB)
- Parent 2:
Transcribed Image Text:**Blood Type Inheritance** **Blood Type and Genotype Table:** Human blood type is controlled by three alleles: \(I^A\), \(I^B\), and \(I^O\). The \(I^A\) and \(I^B\) alleles are codominant, whereas the \(I^O\) allele is recessive. The table below shows the relationship between blood type and genotype: | Blood Type | Genotype | |------------|-----------| | A | \(I^A I^O\), \(I^A I^A\) | | B | \(I^B I^O\), \(I^B I^B\) | | AB | \(I^A I^B\) | | O | \(I^O I^O\) | **Pedigree Analysis:** a. **Pedigree Diagram:** The pedigree chart depicts several generations with blood types for each individual. The possible genotypes for each individual need to be determined based on their blood type and their relations: - Generation P: 1. Individual (1) - Blood Type: AB 2. Individual (2) - Blood Type: A 3. Individual (3) - Blood Type: O 4. Individual (4) - Blood Type: B - Generation F1: 5. Individual (5) - Blood Type: B 6. Individual (6) - Blood Type: A 7. Individual (7) - Blood Type: A 8. Individual (8) - Blood Type: A 9. Individual (9) - Blood Type: B 10. Individual (10) - Blood Type: O 11. Individual (11) - Blood Type: O - Generation F2: 12. Individual (12) - Blood Type: O 13. Individual (13) - Blood Type: AB b. **Probability Exercise:** Suppose individual 13 from generation F2, with blood type AB, reproduces with a person of blood type O. The possible phenotypes of their children and their probabilities must be determined. To solve this, consider: - Parent 1: \(I^A I^B\) (Blood type AB) - Parent 2:
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