Biology · A-Level · AQA · AQA A-Level Biology - (7402) · Specification point · 3.8.4.2 · The control of gene expression (A-level only) · Gene technologies allow the study and alteration of gene function allowing a better understanding of organism function and the design of new industrial and medical processes (A-level only)
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3.8.4.2 Differences in DNA between individuals of the same species can be exploited for identification and diagnosis of heritable conditions (A-level only)
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The use of labelled DNA probes and DNA hybridisation to locate specific alleles of genes. The use of labelled DNA probes that can be used to screen patients for heritable conditions, drug responses or health risks. The use of this information in genetic counselling and personalised medicine. Students should be able to evaluate information relating to screening individuals for genetically determined conditions and drug responses. |