AQA A Level Biology复习笔记8.4.12 Genetic Fingerprinting
Genetic Fingerprinting DNA can be collected from almost anywhere on the body, e.g. the root of a hair or saliva from a cup. After collection DNA must be prepared for gel electrophoresis so t...
AQA A Level Biology复习笔记8.4.11 Gel Electrophoresis
Apparatus & Techniques: Gel Electrophoresis Gel electrophoresis is a technique used widely in the analysis of DNA, RNA and proteins During electrophoresis the molecules are separated acc...
AQA A Level Biology复习笔记8.4.10 Variable Number Tandem Repeats
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 ...
AQA A Level Biology复习笔记8.4.9 Genetic Counselling & Personalised Medicine
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...
AQA A Level Biology复习笔记8.4.8 Screening Patients
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...
AQA A Level Biology复习笔记8.4.7 DNA Probes & DNA Hybridisation
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...
AQA A Level Biology复习笔记8.4.6 Uses of Recombinant DNA Technology
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...
Edexcel IGCSE Biology 复习笔记 2.8.6 Human Transport Systems: Red Blood Cells & Plasma
Edexcel IGCSE Biology 复习笔记 2.8.6 Human Transport Systems: Red Blood Cells & Plasma Red Blood Cells Red blood cells are specialised cells which carry oxygen to respiring cells They ar...
AQA A Level Biology复习笔记8.4.5 Culture of Transformed Host Cells
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 ...
