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Quiz 7 review
Yoon
| Term | Definition |
|---|---|
| What is an example of Gene Flow? | Immigration changes a gene pool. |
| What is an example of genetic drift? | Certain organisms dying by chance, which changes the gene pool. |
| What are the five factors that cause populations to evolve? | Genetic Drift, Gene Flow, Mutation, Sexual Selection, Natural Selection. |
| What is an example of Mutation? | A new allele randomly appears among a certain species. |
| What is an example of sexual selection? | A peacock's feathers are more appealing to females so it has a higher chance to reproduce. |
| Why aren't mutations in non-reproductive cells a source of genetic variation? | Non-reproductive cells have nothing to do with reproduction so the mutation will not be passed down to offspring. |
| What are two main sources of genetic variation in a population’s gene pool? | mutations and gene reformation |
| What are the three types of natural selection? | directional selection, stabilizing selection, or disruptive selection. |
| what is a gene pool? | variation of genes in a population |
| What is gene flow, and how does it relate to what is happening to this population? | A gene flow is the transfer of alleles or genes from one population to another. |
| If a drought happened in a population, would the frequency increase or decrease? | The frequency would decrease. |
| If a population kept on reproducing offspring, would the frequency increase or decrease? | The frequency would increase. |
Created by:
jillbill101
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