Introduction Flashcards
1
Q
What does dev bio rely on ?
A
Cell behaviour
Genetic program
Communication
2
Q
What do you use to study dev ?
A
Animal models
Microscopy
Genetics
3
Q
What are the two theories of dev ? Define them
A
Epigenesis = progressive (Aristote) Preformationism = miniature versions that grow
4
Q
What is the cell theory ?
A
All org are made of cells
Cells are the most basic unit of structure
All cells arise from pre-excisting cells
5
Q
How do you obtain different cells ?
A
Germ plasm determinants
6
Q
What experiment did Roux perform and on what model ?
A
Frog => 2-cell embryo
Killed one cell / other one dev normally
7
Q
What is the induction theory ?
A
Cells communicate
8
Q
Name the four types of cell behaviour
A
Cell division
adhesion
shape / migration
Death
9
Q
Name types of communication
A
Paracrani
Autocrine
Juxtacrine
10
Q
3 features of transduction pathways
A
Reception
Transduction
Response
