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Aim: Pig Cloning panel discussion

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Cloning is to duplicate a cell or an ... Central dogma Of Molecular Biology * Dr. Hariom Yadav Purpose full cloning Pros and Cons of Cloning Pros Cons Produce ... – PowerPoint PPT presentation

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Title: Aim: Pig Cloning panel discussion


1
Aim Pig Cloning panel discussion
  • Do now Set classroom chairs into a circle

2
Aim How are Animals Cloned?
3
Vocabulary
  • Clone
  • Cloning
  • Somatic Cell
  • Ovum
  • Blastula
  • Genetic Diversity

4
Cloning
  • Clones are a group of genetically identical cells
  • A Clone is also an organism which is genetically
    an
  • exact replica of another organism.
  • Cloning is to duplicate a cell or an organism,
    usually asexually, which is genetically an exact
    replica of the other cell or organism.

5
Why Clone?
  • Researchers hope that these techniques can be
    used in researching and treating human diseases
    and genetically altering animals for the
    production of human transplant organs.

6
Steps in cloning
  • Step 1 Take any Somatic (body) cell, from the
    skin, for example from the subject.
  • Step 2 Take an ovum (egg cell), from the ovary
    of any Female of the same or similar species.
  • Step 3 Take the nucleus out of the egg cell
  • Step 4 Combine the somatic and the egg cells.
    This new cell will start to multiply forming a
    blastula (microspic ball of many identical
    cells).
  • Step 5 In about 6 days place it in the uterus of
    the female.
  • Step 6 After the species normal gestational
    period (pregnancy) months a new offspring, an
    identical twin of the subject without any genetic
    characteristics of its mother who gave the ovum
    and provided the uterus, and gave birth.

7
Central dogma Of Molecular Biology
8
(No Transcript)
9
Purpose full cloning
10
Pros and Cons of Cloning
  • Pros
  • Cons
  • Produce animals with desirable traits.
  • Increase the efficiency of the livestock
    production.
  • Preservation of endangered species populations.
  • Enable better research for finding cures to many
    diseases.
  • Provide children for parents who would like a
    child but can't have one for various reasons.
  • Provide people with an opportunity to clone a pet
    who has died.
  • Decline in genetic diversity. (variation in
    genetic material)
  • Taking nature into our own hands.
  • Religious and moral reasons.
  • Physical problems, such as birth defects.
  • Possibility of mental and emotional problems of
    the clone.
  • Takes multiple failed attempts to produce one
    successful clone

11
Snuppy
12
Applications of Animal Cloning
Animals as drug producers Gene farming
Animal models Models for human diseases
Breeding endogenic body tissue Transplantation
Xenotransplantation Animal organs ? Human
Livestock breeding and agriculture
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