Consider a gene where A is dominant to a. Determinine the mode of inheritance, then considering individuals II-2's parents and offspring. What is the most likely genotype for individual II-2 below? Explain your answer.
Consider a gene where A is dominant to a. Determinine the mode of inheritance, then considering individuals II-2's parents and offspring. What is the most likely genotype for individual II-2 below? Explain your answer.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Consider a gene where A is dominant to a. Determinine the mode of inheritance, then considering individuals II-2's parents and offspring. What is the most likely genotype for individual II-2 below? Explain your answer.
![This image depicts a hand-drawn pedigree chart, a diagram used in genetics to analyze inheritance patterns of traits across generations. Here's a detailed breakdown of the chart:
1. **Generations**:
- The diagram is organized into three horizontal levels, representing three generations within a family.
2. **Symbols**:
- **Squares** represent males.
- **Circles** represent females.
- **Shaded symbols** indicate individuals expressing a particular trait, possibly a genetic disorder.
3. **Relationships**:
- Married couples are connected by a horizontal line.
- Vertical lines descend from married couples to their children.
4. **First Generation**:
- Comprises a male (square) partnered with a female (circle), the female is shaded.
5. **Second Generation**:
- This generation displays three couples.
- One couple at the left has three offspring. The male is unshaded, and the female is shaded.
- The central couple consists of a shaded male and an unshaded female.
- The rightmost couple is an unshaded male and a female.
6. **Third Generation**:
- The leftmost branch shows three children, with varying shading. Two males and one female appear, with the pattern suggesting inheritance of the trait.
- The right branch shows two unshaded females and one male with an unclear shading status.
The diagram emphasizes hereditary traits and genetic transmission.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F82106f3a-f1e8-43be-b260-5dfea39b8afc%2F84157ec0-6495-45b2-8d16-519308c18a52%2F8tylz_processed.png&w=3840&q=75)
Transcribed Image Text:This image depicts a hand-drawn pedigree chart, a diagram used in genetics to analyze inheritance patterns of traits across generations. Here's a detailed breakdown of the chart:
1. **Generations**:
- The diagram is organized into three horizontal levels, representing three generations within a family.
2. **Symbols**:
- **Squares** represent males.
- **Circles** represent females.
- **Shaded symbols** indicate individuals expressing a particular trait, possibly a genetic disorder.
3. **Relationships**:
- Married couples are connected by a horizontal line.
- Vertical lines descend from married couples to their children.
4. **First Generation**:
- Comprises a male (square) partnered with a female (circle), the female is shaded.
5. **Second Generation**:
- This generation displays three couples.
- One couple at the left has three offspring. The male is unshaded, and the female is shaded.
- The central couple consists of a shaded male and an unshaded female.
- The rightmost couple is an unshaded male and a female.
6. **Third Generation**:
- The leftmost branch shows three children, with varying shading. Two males and one female appear, with the pattern suggesting inheritance of the trait.
- The right branch shows two unshaded females and one male with an unclear shading status.
The diagram emphasizes hereditary traits and genetic transmission.
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