notes - 4.7.09

notes - 4.7.09 - Differentiation = the actual differences...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Differentiation = the actual differences between cells and their neighbors Fate =  Determination: internal and self-perpetuating changes that distinguish a cell and its descendents from  other cells and commit them to a specialized course - This is irreversible - Results from heritable changes in gene expression Von Spieman (1918) - Famous transplantation experiment using frog gastrulation embryos - Exchanged cells that were going to because the nervous system with cells that were to  become the epidermis, then watch to see what happens - The cells that had been transplanted altered their fate to match that of neighbors - not determined Late Gastrula: cells retained original fate -  determined Cloning: the ultimate transplant experiment - Cloning = process of somatic nuclear transfer - Cloning was carried out in frogs in 1950s Culture skin cells from a frog, remove nucleus from these cells
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/24/2009 for the course BIOL 205 taught by Professor Toandliljegren during the Spring '08 term at UNC.

Page1 / 2

notes - 4.7.09 - Differentiation = the actual differences...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online