Genetic Engineering: Promoter The?promoter?(an example of a length of non-coding DNA that has a specific function) is the?region of DNA that determines which gene will be expressed. This is because...
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...
