You have just started working in a field research laboratory focused on a species of Redtailed Hawks. They have been trying to understand the heritability of wingspan in this species. They've studied them in 2 different contexts. In the wild, and in an indoor enclosure that is temperature controlled and provides them with a standardized diet, eliminating environmental variance. In the wild, the total variance was determined to be 24 inches. In the enclosure, total variance between subjects was found to be 8 inches. In the enclosure, what is the VEnvironmental VTotal = VGenetic + VEnvironmental H? = VGenetic/ VTotal
You have just started working in a field research laboratory focused on a species of Redtailed Hawks. They have been trying to understand the heritability of wingspan in this species. They've studied them in 2 different contexts. In the wild, and in an indoor enclosure that is temperature controlled and provides them with a standardized diet, eliminating environmental variance. In the wild, the total variance was determined to be 24 inches. In the enclosure, total variance between subjects was found to be 8 inches. In the enclosure, what is the VEnvironmental VTotal = VGenetic + VEnvironmental H? = VGenetic/ VTotal
Human Anatomy & Physiology (11th Edition)
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Chapter1: The Human Body: An Orientation
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Genetic Variation
Genetic variation refers to the variation in the genome sequences between individual organisms of a species. Individual differences or population differences can both be referred to as genetic variations. It is primarily caused by mutation, but other factors such as genetic drift and sexual reproduction also play a major role.
Quantitative Genetics
Quantitative genetics is the part of genetics that deals with the continuous trait, where the expression of various genes influences the phenotypes. Thus genes are expressed together to produce a trait with continuous variability. This is unlike the classical traits or qualitative traits, where each trait is controlled by the expression of a single or very few genes to produce a discontinuous variation.
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![**Title: Understanding Heritability of Wingspan in Redtailed Hawks**
You have just started working in a field research laboratory focused on a species of Redtailed Hawks. They have been trying to understand the heritability of wingspan in this species. They've studied them in two different contexts: in the wild, and in an indoor enclosure that is temperature controlled and provides them with a standardized diet, eliminating environmental variance.
In the wild, the total variance was determined to be 24 inches. In the enclosure, total variance between subjects was found to be 8 inches.
**Question: In the enclosure, what is the \( V_{\text{Environmental}} \)?**
**Equations:**
\[ V_{\text{Total}} = V_{\text{Genetic}} + V_{\text{Environmental}} \]
\[ H^2 = V_{\text{Genetic}} / V_{\text{Total}} \]
**Explanation:**
- **V_Total** represents the total variance observed in the population's wingspan.
- **V_Genetic** is the variance attributed to genetic differences.
- **V_Environmental** is the variance due to environmental factors.
- **H^2**, or heritability, is the proportion of total variance that is genetic.
In the context of the enclosure, environmental variance is ideally minimized to focus on genetic variance.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2003d332-f35a-4e8d-8a41-5d3fb7e691ff%2Fb4abddc3-d0b2-47ab-bac8-59a4f723bcbd%2Fzdqi2l_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Title: Understanding Heritability of Wingspan in Redtailed Hawks**
You have just started working in a field research laboratory focused on a species of Redtailed Hawks. They have been trying to understand the heritability of wingspan in this species. They've studied them in two different contexts: in the wild, and in an indoor enclosure that is temperature controlled and provides them with a standardized diet, eliminating environmental variance.
In the wild, the total variance was determined to be 24 inches. In the enclosure, total variance between subjects was found to be 8 inches.
**Question: In the enclosure, what is the \( V_{\text{Environmental}} \)?**
**Equations:**
\[ V_{\text{Total}} = V_{\text{Genetic}} + V_{\text{Environmental}} \]
\[ H^2 = V_{\text{Genetic}} / V_{\text{Total}} \]
**Explanation:**
- **V_Total** represents the total variance observed in the population's wingspan.
- **V_Genetic** is the variance attributed to genetic differences.
- **V_Environmental** is the variance due to environmental factors.
- **H^2**, or heritability, is the proportion of total variance that is genetic.
In the context of the enclosure, environmental variance is ideally minimized to focus on genetic variance.
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