2. What is a population?
3. What islands were important to Charles Darwin's thinking on evolution?
4. Biogeography is how living things are distributed around the world. How was Darwin surprised by the the biogeography he observed on his trip around the world?
5. While fossils support the theory of evolution, we can't rely on the fossil record ever being complete. Why?
6. How does the existence of fossils support the theory of evolution?
7. How did LaMarck explain inheritance?
8. What was the hypothesis of catastrophism?
9. While the theory of evolution does not indicate humans came from chimps, it does indicate a _________________________ between chimps and humans.
10. Upon what observations did Darwin base his theory of evolution by natural selection?
11. What must occur for a new species to evolve?
12. What isolating mechanisms help maintain a species as a distinct group?
13. Describe how allopatric speciation could happen.
14. What is usually involved in sympatric speciation?
15. How is stabilizing selection different from directional selection?
16. Is their a plan to evolution?
17. What mechanisms of evolution can lead to less genetic diversity in a population?
18. What is a gene pool?
19. Who was Alfred Wallace and why is he an important figure in the history of the theory of evolution?
20. What is the source of all new genes in a population?
21. What mechanism of evolution keeps separate populations from being isolated?
Genetics
1. How is a phenotype different from a genotype?
2. How is the law of segregation different from the law of independent assortment?
3. What is an allele?
4. If a pair of alleles are the same we call this genotype _____, and if the alleles are different the genotype is called _____.
5. PKU is a recessive disorder. If "dad" has PKU , and "mom" is homozygous dominant, what is the chance a child will have PKU?
6. In four o'clock flowers, the petal color is either red, pink, or white. How do you think flower color is inherited and why?
7. Hemophilia is an X-linked disorder. If mom carries the gene, and dad is normal, what is the chance the couple's daughter will be a carrier? What is the chance the daughter will have hemophilia?
What is the chance their son will have hemophilia?
8. Mom has O blood, and Dad has AB. They have a child with B blood. Is this possible?
9. There are three alleles present in the population for blood type. This is called _____________
10. A gene that is only expressed if it is in the homozygous condition must be a ______ gene.
I1. In a certain species of flower there are two petal colors, blue or red. If two blue flowered plants are crossed, the offspring are always blue. If two red plants are crossed, sometimes only red flowering plants are produced, while other times both red and blue flowering plants are produced. If a red plant and blue plant are crossed, sometimes the offspring are all red, while other times both red and blue offspring are produced. Which color is dominant?
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