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Home Biotechnology Animal Breeding and Transgenic Animal Comments

  • Question
  • For the transfer of whole individual chromosomes, they are isolated from the cells at


  • Options
  • A. prophase
  • B. metaphase
  • C. telophase
  • D. anaphase

  • Correct Answer
  • metaphase 


  • Animal Breeding and Transgenic Animal problems


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    • 1. Embryo transfer (ET) refers to the technique by which fertilized ova are collected from the reproductive tract of a genetically

    • Options
    • A. superior female and transferred to the inferior
    • B. inferior female and transferred to the superior
    • C. balanced female
    • D. none of the above
    • Discuss
    • 2. Cloning is a method by which numbers of genetically identical organisms are derived from a single organism by

    • Options
    • A. vegetative propagation
    • B. vegetative initiation
    • C. vegetative termination
    • D. none of these
    • Discuss
    • 3. The technique, mainly used for the diagnosing birth defects in the fetus by means of needle, is called

    • Options
    • A. amniocentesis
    • B. ectogensis
    • C. transplantation
    • D. all of the above
    • Discuss
    • 4. Superovulation is an

    • Options
    • A. increased ovulatory response by external hormonal therapy
    • B. decreased ovulatory response by external hormonal therapy
    • C. decreased ovulatory response by internal hormonal therapy
    • D. increased ovulatory response by internal hormonal therapy
    • Discuss
    • 5. Which protein has been produced generating a transgenic sheep that is used for replacement therapy for individuals at risk from emphysema?

    • Options
    • A. Plasminogen activator (tPA)
    • B. ?-anti trypsin (AAT)
    • C. Casein
    • D. Amyloid precursor proteins
    • Discuss
    • 6. The number of follicles at any particular stage is governed by

    • Options
    • A. the rate of entry of dormant follicles
    • B. the rate of growth of follicles
    • C. the rate of loss of follicles
    • D. all of the above
    • Discuss
    • 7. DNA is microinfected into the fertilized egg

    • Options
    • A. after the fusion of male and female nuclei
    • B. before the fusion of male and female nuclei
    • C. at the time of fusion of male and female nuclei
    • D. any time, it can be infected
    • Discuss
    • 8. Production of transgenic animals require transfections of

    • Options
    • A. eggs or embryos
    • B. stem cells
    • C. red blood cells
    • D. all of these
    • Discuss
    • 9. Transgenic goats have been used to produce which of the following protein that is used for dissolving blood clots?

    • Options
    • A. Amyloid precursor protein
    • B. ?1-anti trypsin (AAT)
    • C. Casein
    • D. A variant of human tissue-type plasminogen activator
    • Discuss
    • 10. Fusion of karyoplast with the enucleated cell is achieved in presence of

    • Options
    • A. cytochalasin B
    • B. polyethylene glycol
    • C. both (a) and (b)
    • D. alcohol
    • Discuss


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