Definitions of phenotype, genotype, allele, gene, microevolution, macroevolution

Human Anatomy & Physiology (11th Edition)
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ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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**Understanding Evolution and Genetics: Key Concepts**

- **Definitions:**
  - Phenotype, genotype, allele, gene, microevolution, macroevolution

- **Genetic Variation:** 
  - Understand that in humans, most genetic variation is observed within populations, and know why this occurs.

- **Processes of Evolution:**
  - Know the four processes of evolution, including three neutral processes and natural selection.

- **Complexity in Evolution:**
  - Recognize that evolution isn’t progressive and doesn’t necessarily lead to increased complexity.

- **Traits and Survival:**
  - Be aware that evolution can lead to traits that decrease survival, such as those influenced by sexual selection.

- **Quantitative Traits:**
  - Know that these traits are generally influenced by (i) many genes, each having a small effect on the trait value, and (ii) the environment.

- **F1 and F2 Generations:**
  - Understand what F1 generation is like when you cross two homozygotic lines of peas of different colors.
  - Understand what F2 generation is like when you cross F1 individuals, and remember the 9:3:3:1 ratio.

- **Genetic Dominance:**
  - Know what genetic dominance is about.

- **Definitions in Genetics:**
  - Chromosome, nucleus, mitosis, meiosis, and crossing over.

- **Human Chromosomes:**
  - Know how many chromosomes humans have, and how many pairs.

- **Hardy-Weinberg Equation:**
  - Know and apply this equation.

- **Distribution of Traits:**
  - Understand why quantitative traits often have a bell-shaped distribution.

- **Natural vs. Neutral Processes:**
  - Definition and effects on genetic diversity.

- **Population Size:**
  - How it affects or does not affect genetic variation.

- **Drift and Mutation:**
  - Understanding the balance between these forces.

- **Geographic Distance:**
  - Know its effect on genetic differentiation.

- **Taxonomy:**
  - Know the Kingdom, Class, Order, Family, and Genus of Homo sapiens.

- **Historical Figures:**
  - Who were Wallace and Darwin?

- **Natural Selection:**
  - Be able to explain natural selection and the conditions needed for it to occur.
Transcribed Image Text:**Understanding Evolution and Genetics: Key Concepts** - **Definitions:** - Phenotype, genotype, allele, gene, microevolution, macroevolution - **Genetic Variation:** - Understand that in humans, most genetic variation is observed within populations, and know why this occurs. - **Processes of Evolution:** - Know the four processes of evolution, including three neutral processes and natural selection. - **Complexity in Evolution:** - Recognize that evolution isn’t progressive and doesn’t necessarily lead to increased complexity. - **Traits and Survival:** - Be aware that evolution can lead to traits that decrease survival, such as those influenced by sexual selection. - **Quantitative Traits:** - Know that these traits are generally influenced by (i) many genes, each having a small effect on the trait value, and (ii) the environment. - **F1 and F2 Generations:** - Understand what F1 generation is like when you cross two homozygotic lines of peas of different colors. - Understand what F2 generation is like when you cross F1 individuals, and remember the 9:3:3:1 ratio. - **Genetic Dominance:** - Know what genetic dominance is about. - **Definitions in Genetics:** - Chromosome, nucleus, mitosis, meiosis, and crossing over. - **Human Chromosomes:** - Know how many chromosomes humans have, and how many pairs. - **Hardy-Weinberg Equation:** - Know and apply this equation. - **Distribution of Traits:** - Understand why quantitative traits often have a bell-shaped distribution. - **Natural vs. Neutral Processes:** - Definition and effects on genetic diversity. - **Population Size:** - How it affects or does not affect genetic variation. - **Drift and Mutation:** - Understanding the balance between these forces. - **Geographic Distance:** - Know its effect on genetic differentiation. - **Taxonomy:** - Know the Kingdom, Class, Order, Family, and Genus of Homo sapiens. - **Historical Figures:** - Who were Wallace and Darwin? - **Natural Selection:** - Be able to explain natural selection and the conditions needed for it to occur.
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