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14.4
| Question | Answer |
|---|---|
| What is Gene pool? | Consists of all the alleles in all the individuals that make up a population. |
| What processes lead to genetic variation? | Sexual recombination, meiosis, and fertilization shuffle alleles within the gene pool and deal out to offspring in combinations. |
| What is frequency of alleles? | How often certain alleles occur in the gene pool. |
| What is Microevolution? | Evolution on the smallest scale, a generation to generation change in the frequencies of alleles with a population. |
| What is Hardy-Weinberg equilibrium? | The frequency of alleles in that gene pool are constant over time. |
| What is Genetic Drift? | A change in the gene pool of a population due to change. |
| What is Bottleneck effect? | Natural disasters reduces the size of its gene pool. |
| What is Flounder effect? | The smaller a colony the less its genetic makeup will represent the gene pool of a larger population from which the colonists came. |
| What is Gene flow? | The exchange of genes with another population. |
| What is Mutation? | If mutation is carried by a gamete, the mutation enters the population's gene pool. |
| How does natural selection lead to fitness? | Only blind luck would improve a population's fitness in its environment through these processes. |
| Explain Peter and Rosemary Grants study. | According to research changed that view and provided many examples of natural selection in action. Darwin believed natural selection always works too slowly to actually be measured during a human lifetime. |
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