biology - mitochondrial DNA 0.0 / 5 ? BiologyEvolution, extinction and natural selectionGCSEEdexcel Created by: sianahaynesCreated on: 27-04-14 16:44 What is mitochondrial DNA? It is inherited by your mum, its used as mitochondria has a small piece of DNA in it, everyone has similar mitochondrial DNA which scientists study. 1 of 5 Why is mitochondrial DNA better than nuclear DNA? lots more mitochondria in a cell and less likley going to degrade over time. 2 of 5 What is mitochondrial DNA used for? Its used for tracing where humans have come from, through genetics? 3 of 5 What does mitochondrial DNA show? Where humans originated from. 4 of 5 How does mitochondrial DNA prove evolution? It traces humans back to one person called 'mitochondrial eve' who was found in Africa, which can show evolution and human migration. 5 of 5
Comments
No comments have yet been made