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Home Biotechnology Animal Breeding and Transgenic Animal Comments

  • Question
  • 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

  • Correct Answer
  • before the fusion of male and female nuclei 


  • Animal Breeding and Transgenic Animal problems


    Search Results


    • 1. 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
    • 2. For the transfer of whole individual chromosomes, they are isolated from the cells at

    • Options
    • A. prophase
    • B. metaphase
    • C. telophase
    • D. anaphase
    • Discuss
    • 3. 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
    • 4. 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
    • 5. 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
    • 6. Production of transgenic animals require transfections of

    • Options
    • A. eggs or embryos
    • B. stem cells
    • C. red blood cells
    • D. all of these
    • Discuss
    • 7. 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
    • 8. 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
    • 9. Superovulation is primarily the result of

    • Options
    • A. decreased atresia in medium and large follicles (>1.7 mm)
    • B. increased atresia in medium and large follicles (>1.7 mm)
    • C. increased atresia in the large follicles (<1.7 mm)
    • D. decreased atresia in small follicles (<1.7 mm)
    • Discuss
    • 10. Transgenic goats produce a variant of human tissue type plasminogen activator protein in

    • Options
    • A. blood
    • B. urine
    • C. milk
    • D. muscles
    • Discuss


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