52) Biotechnology in animal production: cloning Flashcards
1
Q
What are clones?
A
Genetically identical individuals
2
Q
Where is cloning common?
A
- Asexual reproduction of:
- Plants
- Microorganisms
- (Mammals)
3
Q
When was Dolly the sheep cloned?
A
1997
4
Q
Which methods of cloning are used in mammals?
A
- Embryo splitting
- Transfer of embryonic or somatic cell nucleus
5
Q
Transfer of embryonic or somatic cell nucleus
A
- Into zona pellucida of ova
- Identity is not 100% certain due to the cytoplasm of mtDNA
- Called somatic/adult clones
6
Q
Somatic cell nucleus transfer
A
- Transfer of nucleus
- From adult cell → Egg (with nucleus removed)