Objectives:  Chapter 8.12-8.22 (chapter 8, part 2)

By the end of the week, you should be able to answer the following questions:

What is the difference between somatic cells and gametic cells?

What are homologous chromosomes?

What is the difference between autosomes and sex chromosomes?  How many chromosomes are in each category?

What are alleles?

What is the difference between diploid and haploid?

What does n and 2n mean?

When does mitosis and meiosis occur following fertilization?

What are the important outcomes of meiosis? How is this similar or different to mitosis?

What are the similarities and differences between meiosis and mitosis?

What happens during the different stages of meiosis?

What does independent orientation of chromosomes mean?

What is crossing over, when does it occur and what happens because of crossing over?

What is Karyotyping?

What is nondisjunction?

What is the chromosomal makeup of the following nondisjunction diseases:  Down’s syndrome, Turner’s syndrome and Kleinfelter’s syndrome?

What are XYY males?