Lecture Topics/Genetics Home Page

I. Patterns of development and gene expression

A. Hierarchy of genes involved in establishing body plan

B. Gradient hypothesis

1. Example: determining anterior-posterior coordinates

2. Mutants are studied to understand the actions of certain genes

C. Homeotic genes

II. Gene rearrangement (DNA splicing; pp. 440-449)

A. Immunoglobulin genes

B. Rearrangements of genome explains diversity of antibodies

III. Methylation (pp. 437-438)

IV. Transposons (pp. 438-440): read on your own

V. Cancer