Genetic Engineering: Vectors Vectors are used to transfer the desired genes into a foreign cell Plasmids are the most commonly used vector but viruses and liposomes (a small vesicle with a phosphol...
Genetic Engineering: Enzymes Genetic engineering is the deliberate modification of a specific characteristic (or characteristics) of an organism. The technique involves removing a gene (or genes), ...
Isolating the Desired Gene The gene with the specific characteristic that is required can be obtained in the following ways: Extracting the gene from the DNA of a donor organism using enzymes (rest...
Genetic Engineering Explained Genetic engineering is a technique used to deliberately modify a specific characteristic (or characteristics) of an organism. The technique involves removing a gene (o...
Recombinant DNA The genetic code is universal, meaning that almost every organism uses the same four nitrogenous bases – A, T, C & G. There are a few exceptions This means that the same codons ...
Role of IUCN & CITES in Conservation International cooperation is essential if conservation is to be successful There are several agreements and authorities that exist within and between countr...
Controlling Invasive Species A species that has moved into an ecosystem where it was previously unknown is an invasive species An invasive species can occur naturally as a result of a species migra...
Assisted Reproduction Endangered mammals tend to have small and isolated populations Small populations are prone to inbreeding and inbreeding depression Inbreeding depression is the reduction in fi...
Methods of Conservation An endangered species is a species that is being threatened with extinction Conservation of endangered species can be approached in several different ways Ideally a species ...
