Intro to Molecular, Cellular and Developmental Biology: Spring 2009

Announcements

The lab on development for the Monday lab finishes the labs for the semester.

Homework assignment 5 is due on Monday, April 27. There is a link to the homework pages on the lecture schedule. Begin working on it this week.

Overview
This week's lectures will cover animal development.
Learning Objectives

By the end of this week you should be able to:

1. Describe gametogenesis in human males and females.
2. Describe how eggs prevent being fertilized by more than one sperm.

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

1. What are polar bodies and why are they produced?
2. What do the Wolfian ducts become in humans?
3. What do the Mullerian ducts become in humans?
4. What is the result of cleavage?
5. What is the result of gastrulation?
6. What would you expect the results to be if you transplanted the lip of the blastopore
   from a late-stage gastrula chick embryo to the dorsal region of the gastrula of same-stage chick?
7. What two general models describe how determination and differentiation occur in animal embryos?
8. What is the result of neurulation?
9. What is spina bifida and how does it occur?
10. What are homeobox genes and what roles do they play in development?

Departmental Learning Goals

This week's content supports the following Learning Goals:

• Knowledge Strand C-2
• Skill Goals C, D, F, G

Readings
Chapter 45, pp 846-850 in your textbook.

Duck Quiz
Quiz 10
Additional Resources
Homework assignment 5. There is a link to the homework pages on the lecture schedule.
Lab Activities
Development (Monday lab only).