Chapter 10 Reading Guide
Meiosis and Sexual Reproduction
1. What is meiosis?
2. What is the difference between a gamete and a zygote?
3. What are homologous chromosomes?
4. What is the central purpose of meiosis?
5. How many nuclear divisions occur in meiosis?
6. When does crossing-over occur?
7. What is genetic recombination and why is it important?
8. Define:
a. Crossing-over
b. Independent assortment
9. Describe what occurs in each phase.
a. Prophase I
b. Metaphase I
c. Anaphase I
d. Telophase I
e. Interkinesis
e. Prophase II
f. Metaphase II
g. Anaphase II
h. Telophase II
i. Daughter Cell Formation
10. What are the similarities between meiosis and mitosis?
11. What are the differences between meiosis and mitosis?
12. Which process is more common and why?
13. What is nondisjunction?
14. Define:
a. Euploidy
b. Anueploidy
c. Monosomy
d. Trisomy
15. What is the cause of Down syndrome?
16. What is a karyotype and how is it used?
17. Describe the following chromosomal mutations:
a. Deletion
b. Duplication
c. Inversion
d. Translocation