GCSE Biology Specification

OCR B J257

Section B1.3: How can and should gene technology be used?

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#B1.3.1

discuss the potential importance for medicine of our increasing understanding of the human genome, including the discovery of alleles associated with diseases and the genetic testing of individuals to inform family planning and healthcare

#B1.3.2

describe genetic engineering as a process which involves modifying the genome of an organism to introduce desirable characteristics

#B1.3.3

describe the main steps in the process of genetic engineering

including:
- isolating and replicating the required gene(s)
- putting the gene(s) into a vector (e.g. a plasmid)
- using the vector to insert the gene(s) into cells
- selecting modified cells

#B1.3.4

explain some of the possible benefits and risks, including practical and ethical considerations, of using gene technology in modern agriculture and medicine