ppt e4ch03 e

Upload: harrychan313

Post on 04-Jun-2018

227 views

Category:

Documents


0 download

TRANSCRIPT

  • 8/14/2019 Ppt E4ch03 e

    1/55

    1

  • 8/14/2019 Ppt E4ch03 e

    2/55

    2

    Think about 3.1 What is bioethics? 3.2 Some issues in biotechnology Recall Think about

    Summary concept map

  • 8/14/2019 Ppt E4ch03 e

    3/55

    3

    Following the successful cloning of Dollythe sheep and other mammals, humans

    could possibly be cloned.

  • 8/14/2019 Ppt E4ch03 e

    4/55

    4

    This has started a debate about whether itis right or wrong to clone a whole person.

    There are different views on this issue.

  • 8/14/2019 Ppt E4ch03 e

    5/55

    5

    Why do people disagree on cloning awhole person

    1What factors affect

    their vi

    ews on it

  • 8/14/2019 Ppt E4ch03 e

    6/55

    6

    Do you support the cloning of awhole person2

    Why

  • 8/14/2019 Ppt E4ch03 e

    7/55

    7

    3.1 What is bioethics?

    Bioethics ( ) is thestudy of ethical issuesand implications broughtabout by the advances

    in the areas of biologicalscience and medicine.

  • 8/14/2019 Ppt E4ch03 e

    8/55

    8

    Human cloning is a new formof human reproduction. It

    enables infertile couples likeus to have children.

    In favour human cloning3.1 What is bioethics?

  • 8/14/2019 Ppt E4ch03 e

    9/55

    9

    Our son died in an accident. A

    clone of our son may make upfor our loss.

    In favour human cloning3.1 What is bioethics?

  • 8/14/2019 Ppt E4ch03 e

    10/55

    10

    It is irresponsible to clone

    humans when animal cloninghas such a low success rate.

    Against human cloning3.1 What is bioethics?

  • 8/14/2019 Ppt E4ch03 e

    11/55

    11

    A clone is neither the child northe brother/sister of the nucleusdonor. The identity of the clone

    is unclear.

    Against human cloning3.1 What is bioethics?

    3 1 Wh i bi hi ?

  • 8/14/2019 Ppt E4ch03 e

    12/55

    12

    3.1 What is bioethics?

    values ( ) guide the way people make their decisions

    values are affected by religion, cultureand past experiences, etc.

    one thing that benefits some people maynot be beneficial to others

  • 8/14/2019 Ppt E4ch03 e

    13/55

  • 8/14/2019 Ppt E4ch03 e

    14/55

    14

    3.2 Some issues in

    biotechnology

    legal issues

    ethical issues

    economic issues

    social issues

    environmental issues

    3 2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    15/55

    15

    Genetically modified food

    any food or food ingredient that comesfrom genetically modified organisms(GMOs)

    3.2 Some issues in biotechnology

    GM tomatoes with

    longer shelf life

  • 8/14/2019 Ppt E4ch03 e

    16/55

    3 2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    17/55

    17

    Genetically modified food

    is it playing God?

    3.2 Some issues in biotechnology

    2 Ethical issues

    should vegetarians eat GM plants thatcontain animal genes?

    3 2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    18/55

    18

    Genetically modified food

    increases the dependence of food supplyon developed countries and affects theliving of farmers in developing countries

    3.2 Some issues in biotechnology

    3 Social and economic issues

    3 2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    19/55

    19

    Genetically modified food

    GMOs may replace the wild types,reduce biodiversity, or upset theecological balance

    3.2 Some issues in biotechnology

    4 Environmental issues

    produces superweeds

    speeds up the evolutionof resistant populationof pests

  • 8/14/2019 Ppt E4ch03 e

    20/55

    3 2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    21/55

    212 4 6 8 10 12 14 16 180

    50

    100

    Cloning3.2 Some issues in biotechnology

    low success rate1 Ethical issues death of embryos justified?

    day of pregnancy

    % s

    u r v

    i v a

    l implantation

    3 2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    22/55

    22

    Cloning3.2 Some issues in biotechnology

    worth investing the money?2 Economic issues

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    23/55

    23

    Cloning3.2 gy

    clones of endangered animals will stillhave no place to live

    3 Environmental issues

    spend money on habitat conservationinstead?

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    24/55

    24

    Cloning3.2 gy

    Human reproductive cloning

    clones are unnatural sub -humans? relation of the clone with the nucleus

    donor and the donors family? could the clone experience his/her own

    life? cloning lowers the value of life?

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    25/55

    25

    Risk of abuse

    Cloning3. gy

    Human reproductive cloning

    what happens if rich people use thetechnology to produce servants?

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    26/55

    26

    Risk of abuse

    Cloning gy

    Human reproductive cloning

    what happens if AdolfHitler clones himself?

    what happens if someone

    allows only the best people to be cloned?

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    27/55

    27

    Im sorry.There is no

    cure for thedisease.

    Oh no.

    Human Genome Project

    diagnosis of a genetic disease beforeavailable treatment causes anxiety?

    1 Ethical issues

  • 8/14/2019 Ppt E4ch03 e

    28/55

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    29/55

    29

    Human Genome Project

    how can we prevent discriminationagainst people with particular genotypesand misuse of genetic information?

    2 Legal issues

    This man has a

    high risk ofdeveloping a fatalgenetic disease.

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    30/55

    30

    Human Genome Project

    how can we prevent discriminationagainst people with particular genotypesand misuse of genetic information?

    2 Legal issues

    Wed better refuse

    his insuranceapplication.

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    31/55

    31

    Human Genome Project

    can the presence of a certain gene beused as evidence to prove someoneguilty or innocent?

    2 Legal issues

    My client didnt

    do it. His genedid it.

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    32/55

    32

    Go! He has agene related to

    violence.

    Human Genome Project

    how is the public perception of anindividual affected by his/her geneticinformation?

    3 Social issues

  • 8/14/2019 Ppt E4ch03 e

    33/55

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    34/55

    34

    May I change my eye colourusing gene therapy?

    Gene therapy

    when should gene therapy be used?1 Ethical issues

    acceptable for genetic enhancement?

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    35/55

    35

    Gene therapy

    1 Ethical issues when should gene therapy be used? acceptable for genetic enhancement? is it playing God? causes unforeseeable harmful effects on

    future generations?

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    36/55

    36

    Gene therapy

    how can we obtaininformed consent fromseriously ill patients orembryos?

    2 Legal issues

    how can we prevent misuse of genetherapy to produce a perfect humanrace?

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    37/55

    37

    Gene therapy

    widens the social class gap?3 Social issues

    any alternatives?

    right to invest a large sum of moneyfor the benefit of a few patients?

    4 Economic issues

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    38/55

    38

    Stem cell therapy

    human embryos aredestroyed to obtainembryonic stem cells

    1 Ethical issues

    murder?

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    39/55

    39

    Stem cell therapy

    how can we ensure that the techniquewould not be used in humanreproductive cloning?

    2 Legal issues

    the public become used to the destructionof human life?

    3 Social issues

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    40/55

    40

    and the

    1 Some issues related to GM food: It poses potential risks to human

    health environment Is it play God?economy It weakens the of the

    developing countries

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    41/55

    41

    2 Some issues related to animalcloning:

    It results in a lack ofvariations genetic

    A large number ofare sacrificed

    embryos

    Its cost is high

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    42/55

    42

    It leads to unclear relationsbetween the human clones andtheir

    3 Some issues related to humanreproductive cloning:

    Human clones are unnatural orsub -humans

    nucleus donors

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    43/55

    43

    It lowers the value of

    3 Some issues related to humanreproductive cloning:

    Human clones lack self-identitylife

    There are risks of abuse

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    44/55

    44

    Will the diagnosis of a genetic

    disease before available treatmentcause ?

    4 Some issues related to the HGP:

    anxiety Who can own or gain access to

    personal genetic information?

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    45/55

    45

    Can the presence of a certaingene be used as toprove someone guilty or innocent?

    How can we prevent discrimination

    against people with particulargenotypes and misuse of geneticinformation?

    4 Some issues related to the HGP:

    evidence

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    46/55

    46

    Can the same benefits be obtainedfrom less alternatives?

    How is the public perception of an

    individual affected by his/hergenetic information?

    4 Some issues related to the HGP:

    expensive

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    47/55

    47

    Is it acceptable to use gene therapyfor genetic ?

    5 Some issues related to gene therapy: It may be difficult to decide when

    gene therapy should be used

    enhancement Is it playing God?

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    48/55

    48

    How can we obtain informedconsent from seriously ill patientsor ?

    5 Some issues related to gene therapy: It may cause unforeseeable

    harmful effects on futuregenerations

    embryos

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    49/55

    49

    It may further widen the

    5 Some issues related to gene therapy: How can we prevent misuse of

    gene therapy?

    social class gap

    3.2 Some issues in biotechnology

  • 8/14/2019 Ppt E4ch03 e

    50/55

    50

    How can we ensure that thetechnique would not be used in

    6 Some issues related to stem celltherapy:

    Human are destroyedto obtain embryonic stem cellsembryos

    human reproductive cloning ?

  • 8/14/2019 Ppt E4ch03 e

    51/55

    51

    Why do people disagree on cloning awhole person? What factors affect theirviews on it?

    1

    Values guide the way people make

    their decision. Values are affected byrel igion, culture and past exper iences,etc.

  • 8/14/2019 Ppt E4ch03 e

    52/55

    52

    Why do people disagree on cloning awhole person? What factors affect theirviews on it?

    1

    I n addition, one thing that benef i ts

    some people may not be beneficial toothers. Thus, people may disagree oncloning a whole person.

  • 8/14/2019 Ppt E4ch03 e

    53/55

    53

    Do you support the cloning of awhole person? Why?2Answers vary with students.

  • 8/14/2019 Ppt E4ch03 e

    54/55

    54

    study of ethical issues andimplications brought about bythe advances in the areas of

    Bioethics

    biological science

    and medicineincludesbiotechnology

  • 8/14/2019 Ppt E4ch03 e

    55/55

    55

    raisesbiotechnology

    ethicalissues

    legalissues

    socialissues

    economicissues

    environmentalissues