Module 5 Notes

Module 5 Notes - M odule 5 Notes How are animals cloned,...

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

View Full Document Right Arrow Icon
Module 5 Notes How are animals cloned, especially mammals? What is the difference between reproductive cloning and therapeutic cloning? What is the difference between embryonic stem cells and adult stem cells ? What are the legal and ethical issues? Animal cloning comes from early experiments in the 30's and 40's At the 4-cell stage you can take any one of the cells and it will still develop into a quarter of a tadpole o If you take the nucleus from that cell and plant it into an egg cell it will then develop into a full and normal tadpole If you remove the nucleus from an intestinal cell and put it into the egg it will start to divide somewhat normally, but at the blastula stage the cell development will arrest There is no difference between the nuclear DNA of an embryonic cell or the DNA of an intestinal cell at least in the information content Dolly was able to grow and reproduce on her own. She had a naturally born lamb bonnie. Her surrogate was a black faced lamb while dolly was a white faced lamb so she couldn't be confused with a natural born lamb of the surrogate Mammalian cloning o You need an egg! o
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.

Page1 / 3

Module 5 Notes - M odule 5 Notes How are animals cloned,...

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