t Suppose a white-furred rabbit breeds with a black-furred rabbit and all the offspring have a phenotype of gray fur. What does the gene for fur color in rabbits appear to be an example of? Explain your answer. 13 A man with AB blood has children with a woman with type B blood, The woman's mother had type O blood. Cross the man and woman to determine the possible offspring. Man Genotype Phenotype Gametes Woman Genotype Phenotype Gametes Mother Genotype Phenotype Gametes Punnett square Genotype ratio: Phenotype ratio: 14 in certain fish, red and blue fish, when mated, create offspring with a patchwork of blue and red scales. Cross a blue fish and a fish with patchwork red/blue scales. Blue Fish Jaccd edu Genotype Phenotype Gametes Patchwork Fish Genotype Phenotype Gametes Punnett square om Genotype ratio: Phenotype ratio: Lab 8 Genetics 95

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**Educational Content on Inherited Conditions: Hemophilia and Colorblindness**

This educational content is derived from a laboratory manual focused on understanding genetic inheritance patterns of conditions such as hemophilia and colorblindness, which are both X-linked traits.

**Exercise 1: Inheritance of Hemophilia**

Hemophilia is a condition where blood does not clot properly and is inherited as a recessive trait located on the X chromosome. This exercise involves crossing a normal male (with no hemophilia) and a female carrier of the hemophilia trait. The objective is to determine the potential genotypes and phenotypes of their offspring.

- **Genotypes** of the offspring are to be determined for both males and females.
- **Phenotypes** expected are normal or hemophiliac.
- A **Punnett square** is used to visualize and calculate the probabilities of each genotype and phenotype appearance.

**Exercise 2: Inheritance of Colorblindness**

Colorblindness is another X-linked recessive trait. This section involves crossing a colorblind male with a female who has a family history of colorblindness and is potentially a carrier.

- **Genotypes** include various combinations of colorblindness or normal vision alleles.
- Phenotypes involve being colorblind or having normal vision.
- The utilization of a **Punnett square** assists in determining expected genotype and phenotype ratios for this cross.

The laboratory encourages students to calculate:

- **Genotype ratio**: The ratio of different genetic makeups possible among offspring.
- **Phenotype ratio**: The ratio of observable traits resulting from the genetic cross.

**Associated Diagrams**

Two tables or Punnett squares accompany each exercise, mapping the allele combinations from each parent to predict the genetic outcomes for their potential children.

**Institutional Reference**

This content is part of the Laboratory Manual for Biology 3, and the exercises take place within the context of a course provided by Los Angeles Valley College.

Page Reference: 96.
Transcribed Image Text:**Educational Content on Inherited Conditions: Hemophilia and Colorblindness** This educational content is derived from a laboratory manual focused on understanding genetic inheritance patterns of conditions such as hemophilia and colorblindness, which are both X-linked traits. **Exercise 1: Inheritance of Hemophilia** Hemophilia is a condition where blood does not clot properly and is inherited as a recessive trait located on the X chromosome. This exercise involves crossing a normal male (with no hemophilia) and a female carrier of the hemophilia trait. The objective is to determine the potential genotypes and phenotypes of their offspring. - **Genotypes** of the offspring are to be determined for both males and females. - **Phenotypes** expected are normal or hemophiliac. - A **Punnett square** is used to visualize and calculate the probabilities of each genotype and phenotype appearance. **Exercise 2: Inheritance of Colorblindness** Colorblindness is another X-linked recessive trait. This section involves crossing a colorblind male with a female who has a family history of colorblindness and is potentially a carrier. - **Genotypes** include various combinations of colorblindness or normal vision alleles. - Phenotypes involve being colorblind or having normal vision. - The utilization of a **Punnett square** assists in determining expected genotype and phenotype ratios for this cross. The laboratory encourages students to calculate: - **Genotype ratio**: The ratio of different genetic makeups possible among offspring. - **Phenotype ratio**: The ratio of observable traits resulting from the genetic cross. **Associated Diagrams** Two tables or Punnett squares accompany each exercise, mapping the allele combinations from each parent to predict the genetic outcomes for their potential children. **Institutional Reference** This content is part of the Laboratory Manual for Biology 3, and the exercises take place within the context of a course provided by Los Angeles Valley College. Page Reference: 96.
Certainly! Here's a transcription and detailed explanation suitable for an educational website:

---

### Genetics Lab Exercises

#### Exercise 12
- **Scenario**: A white-fur rabbit breeds with a black-fur rabbit and all the offspring have a phenotype of gray fur.
- **Question**: What does the gene for fur color in rabbits appear to be an example of? Explain your answer.

#### Exercise 13
- **Scenario**: A man with AB blood has children with a woman with type B blood. The woman's mother had type O blood.
- **Task**: Cross the man and woman to determine the possible offspring.
  - **Genotype**:
    - Man: [ ]
    - Woman: [ ]
    - Mother: [ ]
  - **Gametes**:
    - [ ]
    - [ ]
  - **Phenotype**:
    - [ ]
    - [ ]
  - **Punnett Square**: [ ]

#### Exercise 14
- **Scenario**: A certain red and blue fish, when mated, create offspring with a patchwork of blue and red scales. 
- **Task**: Cross a blue fish and a fish with patchwork red/blue scales.
  - **Genotype**:
    - Blue Fish: [ ]
    - Patchwork Fish: [ ]
  - **Gametes**:
    - [ ]
    - [ ]
  - **Phenotype**:
    - [ ]
    - [ ]
  - **Punnett Square**: [ ]

- **Genotype Ratio**: [ ]
- **Phenotype Ratio**: [ ]

#### Lab Information
- Topic: **Genetics**
- Page: 95
- Lab Number: 8

---

**Note**: 
- The document appears to be a laboratory exercise from a genetics course, focusing on various inheritance patterns.
- Spaces are provided for students to fill in genotypes, phenotypes, and Punnett squares based on hypothetical genetic crosses.
- Exercises encourage understanding of dominance, codominance, and incomplete dominance patterns.
Transcribed Image Text:Certainly! Here's a transcription and detailed explanation suitable for an educational website: --- ### Genetics Lab Exercises #### Exercise 12 - **Scenario**: A white-fur rabbit breeds with a black-fur rabbit and all the offspring have a phenotype of gray fur. - **Question**: What does the gene for fur color in rabbits appear to be an example of? Explain your answer. #### Exercise 13 - **Scenario**: A man with AB blood has children with a woman with type B blood. The woman's mother had type O blood. - **Task**: Cross the man and woman to determine the possible offspring. - **Genotype**: - Man: [ ] - Woman: [ ] - Mother: [ ] - **Gametes**: - [ ] - [ ] - **Phenotype**: - [ ] - [ ] - **Punnett Square**: [ ] #### Exercise 14 - **Scenario**: A certain red and blue fish, when mated, create offspring with a patchwork of blue and red scales. - **Task**: Cross a blue fish and a fish with patchwork red/blue scales. - **Genotype**: - Blue Fish: [ ] - Patchwork Fish: [ ] - **Gametes**: - [ ] - [ ] - **Phenotype**: - [ ] - [ ] - **Punnett Square**: [ ] - **Genotype Ratio**: [ ] - **Phenotype Ratio**: [ ] #### Lab Information - Topic: **Genetics** - Page: 95 - Lab Number: 8 --- **Note**: - The document appears to be a laboratory exercise from a genetics course, focusing on various inheritance patterns. - Spaces are provided for students to fill in genotypes, phenotypes, and Punnett squares based on hypothetical genetic crosses. - Exercises encourage understanding of dominance, codominance, and incomplete dominance patterns.
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