B3 - Cloning Animals Flashcards
0
Q
When does a natural clone occur?
A
Identical twins
1
Q
What are clones?
A
Genetically identical organisms
2
Q
How was Dolly cloned?
A
1) Nucleus of sheep egg cell was removed = egg cell with no genetic information.
2) Another nucleus inserted in its place. It was a diploid nucleus from an under cell.
3) The egg was given an electrical shock so it was start dividing by mitosis.
4) the embryo was then inserted into a surrogate mother sheep so it could develop.
5) The product was dolly an identical sheep from which the under cell came.
