1. How does mitosis differ from meiosis? When do they occur in the body and what is their purpose?

2. Name and briefly describe 4 different chromosome abnormalities that can occur. (Use actual conditions and describe how they affect the carriers).

3. A child is born with attached ear lobes. His parents have free ear lobes. What is the genotype of all persons mentioned?

4. In your own words, describe the process of protein synthesis, starting with the DNA, stored in the nulceus, and ending with the completed protein. Be sure to mention the terms code, codon, anticodon, mRNA, tRNA, amino acids and ribosomes in your answer.

5. Briefly compare and contrast the three methods of obtaining fetal cells for testing.

6. You and your partner have decided to have kids. What type of testing, if any, would you have done on the fetus? Describe three tests, how they are performed, their pros and cons, and whether you would have them done and why.