BIOLOGY B1 0.0 / 5 ? BiologyGENETICALLY MODIFIED AND CLONINGGCSEEdexcel Created by: yaxter21Created on: 11-10-16 17:52 What is the simpliest way to clone a plant? Take its cuttings 1 of 9 Give another way of cloning plants Tissue culture 2 of 9 Describe how tissue culture works It works with small pieces of plants, called explants. These are grown in vitro using sterile agar jelly that contains plant hormones and nutrients 3 of 9 Is tissue cullture expensive? Yes, This makes tissue culture more expensive and difficult to do than taking cuttings 4 of 9 What is the first step of cloning a mammal Removal of diploid nucleus from a body cell 5 of 9 Second step of cloning a mammal enucleation - removing the nucleus from an egg cell 6 of 9 Third step of cloning a mammal insertion of the diploid nucleus into the enucleated egg cell 7 of 9 Fourth step of cloning a mammal stimulation of the diploid nucleus to divide by mitosis 8 of 9 What are 2 uses of stem cells? rebuild bones and cartilage repair damaged immune systems 9 of 9
Comments
No comments have yet been made