Cloning Flashcards
0
Q
Cuttings method 2
A
Take leaf cuttings
Leaf is pinned to compost and plantlets appear
1
Q
Cloning plants - cuttings method 1
A
- cut through stem with 1 or 2cm of bare stem and stick in compost with or without rooting powder
- rooting powder contains auxins which stimulate root growth
2
Q
How cuttings work
3
A
- All the cuttings contain identical genes as they are all parts of the same parent plant
- as they grow,they form new cells by mitosis, copying the genes in the existing cells
- the cuttings develop into a group if genetically identical plants - clones
3
Q
Why is it better to use human insulin from genetically modified microorganisms than insulin obtained from animals 3
A
- made more quickly/in larger amounts
- less chance of side effects
- more effective/compatible
