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Introduction to Biotechnology

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Introduction to Biotechnology Mrs. Kolobaric Why use it? What are some of the advantages to biotechnologies in genetics? They offer us advances in pharmacogenomics ... – PowerPoint PPT presentation

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Title: Introduction to Biotechnology


1
Introduction to Biotechnology
  • Mrs. Kolobaric

2
Why use it?
  • What are some of the advantages to
    biotechnologies in genetics?
  • They offer us advances in pharmacogenomics
  • They allow individuals to identify problems early
    on
  • They allow for identification of changes at the
    genetic level

3
Why use it?
  • What are some of the disadvantages to
    biotechnologies in genetics?
  • They create ethical issues (euthanasia,
    abortions)
  • WE DONT KNOW

4
What is out there?
  • The biotechnologies that we are going to look at
    in this presentation are as follows
  • Amniocentesis
  • Fetoscopy
  • Ultra Sound
  • Chorionic Villus Sampling
  • PCR
  • SDS-PAGE
  • Adenovidus Vectoring (gene therapy)
  • DNA Micro Array

5
Amniocentesis
  • What is amniocentesis
  • It is a medical procedure used in
    _____________diagnostics
  • A small amount of _______________ is sampled
  • The fluid contains ______ tissue
  • It is extracted through the amnion (sac)
  • _____ is then examined for abnormalities

6
Amniocentesis
7
Amniocentesis Application
8
Amniocentesis Application
  • What can it be used for?
  • __________________________________
  • It can be used to identify genetic disorders,
    either from karyotyping or from genetic analysis
    (mapping of genome)
  • Is this good or bad (talk about it with a
    partner, and then bring your ideas back to me)

9
Some of the dangers
  • ___________ can occur from the puncture
  • Incomplete healing can cause _________ and
    infection of the amniotic sac

10
Fetoscopy
  • What is a fetoscopy
  • This is an ___________ procedure that allows the
    medical professional access to the fetus,
    amniotic cavity, the umbilical cord, and the
    fetal side of the placenta

11
Fetoscopy
  • What is it used for?
  • It allows for medical interventions such as
  • ______________
  • Laser occlusion of damaged blood vessels

12
Fetoscopy
13
An important use
  • It can also be used to perform ________
    _________________ of fetuses
  • It can _______ the fetuses life
  • It can also be a first step in identifying
    _______________________ that a fetus may have

14
Dangers of fetoscopies
  • The incisions may become ________
  • __________ of the amniotic fluid into the body
    cavity may occur

15
Chorionic Villus Sampling
  • Is a form of _________ diagnostic testing
  • It is used to identify prenatal ____________ and
    genetic disorders

16
How it is done?
  • A sample of the chorionic villus is taken and
    tested
  • What is the chorionic villus?
  • _________________________

17
When it is done?
  • Its advantage comes with its timing
  • It can happen from weeks _________ after the last
    period
  • This is a better technique than amniocentesis
    because that can only happen from weeks 15-18

18
CSV Chorionic Villus Sampling
19
Reasons for having it done
  • Mother's age of _____ years or greater
  • Abnormal first trimester screen results
  • Increased ___________________ or other abnormal
    ultrasound findings
  • Family history of a chromosomal abnormalities or
    other genetic disorders
  • Parents are known ___________ for a genetic
    disorder

20
UltraSound
  • Is cyclic sound pressure with a frequency that is
    greater than that of human hearing

21
UltraSound
  • The production of ultrasound is used in many
    different fields
  • It is used to penetrate a medium and measure the
    reflection signature
  • This reveals information about the inner
    structure of the medium

22
The old ultrasound
23
The new ultrasound
24
Other uses
  • Studying the earth
  • Cleaning teeth
  • Breaking kidney/gull stones
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