Worksheet: Population Genetics: Why do we have different skin colors?: Crash Course Biology #14
Comprehension worksheet generated from the video "Population Genetics: Why do we have different skin colors?: Crash Course Biology #14".
Worksheet: Population Genetics: Why do we have different skin colors?: Crash Course Biology #14
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Vocabulary
- Population Genetics — Examines the similarities and differences within and among groups that make up populations.
- Populations — Organisms of the same species living in the same place at the same time that can feasibly make fertile babies with each other.
- Genetic Diversity — The genetic differences between individuals.
- Clines — Gradients of change on a continuum.
- Social Construct — An idea that has been created by and agreed upon by a society, rather than a biological category.
Questions
Watch the video and answer the following questions.
1.
The video begins with two individuals who look eerily similar but are not related. What does this initial example suggest about the genetic makeup of the human population?
2.
The video uses an example of rabbits on an island to illustrate a population. Describe this example and explain why it represents a clear population.
3.
The video discusses cheetahs as an example of a population with low genetic diversity. Explain what low genetic diversity means for a population like cheetahs.
4.
According to the video, what is the average genetic diversity among organisms with a backbone, and how do humans compare to this average?
5.
The video argues that “race is a social construct.” Based on the video’s explanation, define what a social construct is and discuss how the concept of race, despite not being a biological category, has a “real impact on people’s lives, their identities, and their experiences.”
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