Which of the following is calculated as the survival rate of a genotype multiplied by the average number of offspring for individuals of that genotype? O Absolute Fitness Mean Relative Fitness. O Selection Coefficient O Expected Genotype Frequency O Relative Fitness

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**Understanding Fitness in Evolutionary Biology**

In the study of evolutionary biology, fitness is a crucial concept used to understand the reproductive success of organisms. A common question that arises when studying fitness is:

---

**Which of the following is calculated as the survival rate of a genotype multiplied by the average number of offspring for individuals of that genotype?**

1. Absolute Fitness
2. Mean Relative Fitness
3. Selection Coefficient
4. Expected Genotype Frequency
5. Relative Fitness

---

### Explanation of Options:

1. **Absolute Fitness**:
   Refers to the total number of offspring an individual with a specific genotype produces.

2. **Mean Relative Fitness**:
   The average fitness of a genotype compared to the average fitness of all genotypes in the population.

3. **Selection Coefficient**:
   A measure of the strength of natural selection for or against a specific genotype; it quantifies the reduction in relative fitness of a genotype compared to the optimum genotype.

4. **Expected Genotype Frequency**:
   Refers to the predicted frequency of different genotypes in the offspring population, based on the current population's genotype distribution and their respective fitness.

5. **Relative Fitness**:
   The fitness of a genotype relative to other genotypes in the population; it is calculated by dividing the absolute fitness of the genotype by the absolute fitness of the most successful genotype.

For educational purposes, this question directs us to understand that the correct answer involves a calculation combining both the survival and reproductive success of a genotype. The correct answer to this question is **Absolute Fitness**, which is calculated as the survival rate of a genotype multiplied by the average number of offspring produced by individuals with that genotype.
Transcribed Image Text:**Understanding Fitness in Evolutionary Biology** In the study of evolutionary biology, fitness is a crucial concept used to understand the reproductive success of organisms. A common question that arises when studying fitness is: --- **Which of the following is calculated as the survival rate of a genotype multiplied by the average number of offspring for individuals of that genotype?** 1. Absolute Fitness 2. Mean Relative Fitness 3. Selection Coefficient 4. Expected Genotype Frequency 5. Relative Fitness --- ### Explanation of Options: 1. **Absolute Fitness**: Refers to the total number of offspring an individual with a specific genotype produces. 2. **Mean Relative Fitness**: The average fitness of a genotype compared to the average fitness of all genotypes in the population. 3. **Selection Coefficient**: A measure of the strength of natural selection for or against a specific genotype; it quantifies the reduction in relative fitness of a genotype compared to the optimum genotype. 4. **Expected Genotype Frequency**: Refers to the predicted frequency of different genotypes in the offspring population, based on the current population's genotype distribution and their respective fitness. 5. **Relative Fitness**: The fitness of a genotype relative to other genotypes in the population; it is calculated by dividing the absolute fitness of the genotype by the absolute fitness of the most successful genotype. For educational purposes, this question directs us to understand that the correct answer involves a calculation combining both the survival and reproductive success of a genotype. The correct answer to this question is **Absolute Fitness**, which is calculated as the survival rate of a genotype multiplied by the average number of offspring produced by individuals with that genotype.
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