Variable Number Tandem Repeats Variable number tandem repeats (VNTRs) are regions found in the non-coding part of DNA A short DNA sequence (e.g. GATA) is repeated a variable number of times ...
Genetic Counselling & Personalised Medicine Genetic counselling Genetic screening can leave a patient or parent with many questions Genetic counsellors are commonly used to help individu...
Genetic Screening In certain circumstances (eg. in the pregnancy in an older woman, or pregnancy where there is a family history of a genetic disease) may require individuals to determine if...
DNA Probes & DNA Hybridisation DNA hybridisation is a process that is commonly used in medical diagnostic tests and genetic screening In DNA hybridisation two complementary single-strand...
Interpret & Evaluate Data about the Uses of Recombinant DNA Technology DNA that has been altered by introducing nucleotides from another source is called recombinant DNA (rDNA) If the or...
In Vivo Method: Culture of Transformed Host Cells Polymerase chain reaction (PCR) is a common molecular biology technique used in most applications of gene technology It is described as the ...
Polymerase Chain Reaction (PCR) Polymerase chain reaction (PCR) is a common molecular biology technique used in most applications of gene technology, for example, DNA profiling (eg. identifi...
Apparatus & Techniques: Investigating the Specificity of Restriction Enzymes The specificity of restriction enzymes can be investigated using extracted DNA and gel electrophoresis Gel el...
Producing Fragments of DNA Genetic engineering is the deliberate modification of a specific characteristic (or characteristics) of an organism. The technique involves removing a gene (or gen...
