Cloning Animals (T)

• What are the two methods of cloning animals mentioned in the video?

  Embryo transplants and adult cell cloning
• What is the significance of the cells in the embryo during embryo transplant cloning?

  • Cells must not have started to specialize
  • They should not have changed into any specific cell type
• Why is cloning animals considered more complicated than cloning plants?

  Because it involves more complex processes and stages
• What is the first step in cloning by embryo transplants?

  Fertilization produces a fertilized egg
• What happens to the fertilized egg after it is produced in embryo transplant cloning?

  It develops into an early stage embryo
• What is the purpose of using a glass rod in embryo transplant cloning?

  To split the embryo into two separate embryos
• What is a major limitation of embryo transplant cloning?

  We cannot be certain the offspring will have the desired characteristics
• What is the key benefit of adult cell cloning compared to embryo transplant cloning?

  • Cloning from an adult allows us to know the characteristics of the clone
  • Provides certainty about the traits of the clone
• What type of cell is removed from the animal to be cloned in adult cell cloning?

  A skin cell
• What is done to the nucleus of the cell taken from the animal to be cloned?

  The nucleus is removed from the cell
• What is done to the unfertilized egg cell in adult cell cloning?

  The nucleus is removed and discarded
• What is inserted into the empty egg cell during adult cell cloning?

  The nucleus from the original adult body cell
• What is the purpose of giving the egg cell an electric shock in adult cell cloning?

  To make the egg cell divide to form an embryo
• What happens after the embryo has developed into a ball of cells in adult cell cloning?

  • The embryo is inserted into the womb of an adult female
  • The host mother continues the embryo's development
• Why does the clone look nothing like the host mother?

  Because the clone contains none of her genetic material
• What is a key point about the characteristics of clones produced by adult cell cloning?

  • Clones will have the characteristics of the adult from which they were cloned
  • This provides certainty about the traits of the clone