Cloning an Adult Mammal is Done by Transplanting a Cell Nucleus Flashcards
1
Q
What was the first mammal to be successfully cloned from an adult cell?
A
A sheep called dolly in 1996
2
Q
1) what did they do first? (Removed)
A
The nucleus of the sheep’s egg cell was removed, creating an enucleated cell
3
Q
2) what was done second? (Inserted)
A
A diploid nucleus was inserted in its place. This was a nucleus from a mature udder cell of a different sheep
4
Q
3) what was done third? (Stimulated)
A
The cell was stimulated (by electric shock) so it started dividing by mitosis, as if it were a normal fertilised egg
5
Q
4) what was done fourth? (Implant)
A
The dividing cell was implanted into the uterus of another sheep to develop until it was ready to be born
6
Q
5) what was the result?
A
Dolly, a clone of the sheep that the udder cell came from
