1. BioTech and Health Career opportunities Phenylketonuria (PKU)
Germ-line gene therapy
Somatic gene therapy
Genetic Screening
Amniocentesis
Examples of disorders which can be diagnosed

2. BioTech and Health
The science of genetics is revolutionizing the way we live
A large number of hereditary diseases have now been identified and can be treated because of genetic studies.
It also provides an
abundance of research
and career opportunities

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5. Examples
___________
Untreated, phenylalanine accumulates and can damage the brain tissue resulting in developmental defects, intellectual disabilities, and seizures
Treatment is a reduction in foods containing phenylalanine (meats and fish)
We can diagnose this disease at birth, immediately treat it and prevent the symptoms from occurring.
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7. Two Types of Gene Therapy
___________
- These correct genes will be passed onto the offspring

8. Two Types of Gene Therapy
2) Somatic gene therapy - a process in which therapeutic genes are transferred into somatic cells to treat a genetic disease
- ______________
- They will be somatic (shoulder or foot cell genes etc.) not germ cell genes

9. Genetic Screening
Some genetic mutations are known to be associated with specific genetic disorders.
____________
In some cases, early genetic screening means that treatment or ………………

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12. Those at risk
Doctors may recommend that parents who might have mutations in the germ cell DNA (DNA that is passed on to your children) is higher, have amniocentesis.
____________
With this knowledge, parents can better prepare for the arrival of a child with developmental challenges.

13. Disorders which can be diagnosed
Trisomy 21 (Down syndrome)
Is a genetic condition in which a person has 47 chromosomes instead of the usual 46.
____________

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15. Disorders which can be diagnosed
Monosomy X (Turner syndrome).
____________
…………..…………….

16. Disorders which can be diagnosed
Duchenne muscular dystrophy.
_________
Leads to muscle weakness, Learning difficulties, mental retardation, difficulty with motor skills
Muscle weakness gets quickly worse. A wheelchair ……………
…………………..