The quiz is due by 9:15am on Friday March 3^rd, 2000.
Your answers must be emailed to me at kabernd@davidson.edu.

There are 8 questions and a total of 30 points. Please be careful to answer the question asked. Clarity and brevity are always encouraged.

1. What is a chromatid? (2pt)

2. How many chromosomes are found in a human skin cell? (2pt)

3. When do chiasma form and what are the consequences of this event? (3pt)

4. List the major steps in mitosis. (Names only NOT descriptions) (5pt)

5. Describe the major characteristics of a cell in Anaphase I and compare these characteristics with those of a cell in AnaphaseII. Be sure to describe the state of the nuclei and genetic material . (5pt)

Questions 6 though 8 all refer to the pedigree below.

For the following scenario we will assume that right-handedness is caused by a mutation in a single gene. The following hypothetical pedigree is for a family with members who are right-handed. When appropriate, be sure that you define any symbols used following the rules of Mendelian genetics.

6. According to Mendelian genetics what is the name of the generation containing the second row of symbols? (3pt)

7. What is the phenotype of person #5? If you cannot tell a specific phenotype from the pedigree, what are their potential phenotypes? (4pt)

8. What are the genotypes of person #2 and person#6? If you cannot tell a specific genotype from the pedigree, what are their potential genotypes? (3pt each)