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Course: AQA A Level Biology 7402
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AQA A Level Biology 7402

1. Biological Molecules

0/102

2. Cell Structure

0/95

3. Exchange and Transport

0/98

4. Genetics, Variation and Interdependence

0/94

5. Energy Transfers In and Between Organisms (A Level only)

0/63

6. Organisms Respond to Changes in their Environments (A Level only)

0/93

7. Genetics, Populations, Evolution and Ecosystems (A Level only)

0/55

8. The Control of Gene Expression (A Level only)

0/72

9. Exam Guidance and Skills

0/38
Quiz

8.4.9 Genetic Counselling and Personalised Medicine – Exam questions

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  • Questions count: 12
  • Passing grade: B+
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1.
Which statement best describes Personalised medicine?
Treating a disorder by supplying a working copy of a faulty gene.
Treatment chosen to suit an individual's own genotype.
Changes gametes or embryos, so the change is inherited. Banned almost everywhere.
The legal framework deciding which techniques may be used, and on whom.
2.
Which hypothesis suits a personalised medicine study?
Medicines are chemicals
Patients are people
Patients dosed by genotype will have fewer side effects than those on standard doses
Genes exist
3.

Genetic screening is

treating a disease with genes
cloning embryos
vaccinating against a disease
testing DNA for the presence of particular alleles
4.

Pre-implantation genetic diagnosis involves

testing a newborn baby
testing a cell from an embryo produced by IVF before implantation
treating adults
vaccination
5.

An ethical concern about genetic screening of embryos is

that it cures all diseases
the possibility of selecting embryos for non-medical characteristics
that it is always inaccurate
that it increases mutation
6.

Gene editing differs from older genetic engineering in that it

inserts genes at random
changes DNA at a specific, targeted site in the genome
uses no enzymes
cannot be used in plants
7.

An advantage of producing human insulin by recombinant DNA technology is that it

is identical to human insulin and avoids immune reactions
is cheaper to extract from animals
needs no purification
contains animal viruses
8.

Gene therapy aims to

remove all DNA from cells
replace whole chromosomes
insert a normal allele into cells to correct a genetic disorder
make clones
9.

Vectors used in gene therapy include

antibiotics
viruses and liposomes
ribosomes
antibodies
10.

Factor VIII produced by recombinant technology is used to treat

diabetes
SCID
cystic fibrosis
haemophilia
11.

Bioinformatics is

the collection, processing and analysis of biological data using computer software
the study of fossils
a method of cloning
the staining of cells
12.
Pharmacogenomics chooses medicines and doses using a patient's genes. True or false?
True
False
False, it uses blood type only
True only for cancer
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Part of 8. The Control of Gene Expression (A Level only) — see every lesson and quiz in this unit.
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