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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Transcribed Image Text:### Pedigree Analysis for Genetic Inheritance
This pedigree chart represents five generations of a family, labeled I to V. The symbols used in the chart include:
- **Circle (○):** Female
- **Square (□):** Male
- **Filled symbols (● ■):** Affected individuals
- **Unfilled symbols (○ □):** Unaffected individuals
**Description of Generations:**
- **Generation I:**
- Consists of one affected female and one unaffected male.
- **Generation II:**
- Includes four individuals, among which one male is affected and three females are unaffected.
- **Generation III:**
- Features a mix of affected and unaffected individuals.
- **Generation IV:**
- Displays varying inheritance patterns, with carriers indicated by a half-shaded circle.
**Generation V:**
- **Nine Offspring:** 1, 2, 3, 4, 5, 6, 7, 8, 9 depicted in red.
- Your task is to predict whether each individual is affected, a carrier, or unaffected not a carrier/affected.
- Consider the inheritance patterns and the symbols in their ancestral lines for your explanation.
**Task:**
Analyze the individuals in the fifth generation based on the pedigree and predict their genetic status. Provide reasoning for each prediction, considering the inheritance pattern demonstrated in prior generations.
### Instructions:
- Predict for each individual if they will be affected, a carrier, or unaffected/not a carrier.
- Explain why each prediction is made based on the inheritance patterns seen.
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