DNA before going through mitosis

1. How do you think it would harm your body if your cells did not replicate their DNA before going through mitosis?
2. How do you think it would affect your offspring if homologous chromosomes were not separated during meiosis?
3. Cancer typically requires five mutations in DNA before uncontrolled cell division occurs.
   How might one’s behavior, body type, diet, and/or environment affect the risk of cancer?
   Could a combination of these factors occur in one individual?
   Provide a possible scenario.
4. Find out how tanning booths affect the risk of skin cancer by searching the Internet.
   Based on what you discovered how might this affect one’s feelings about the use of a tanning bed?
   Provide the link to one source you found.

Part B

Please answer the following questions. Answers must be submitted in a Word document. Please number each answer as numbered in the questions.

1. Choose a nondisjunction disorder and write five sentences about it. Make sure you mention which chromosome is involved (for example, chromosome 18) and what kind of effects the disorder has on the human body.

Sample Solution