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Home Biotechnology Animal Breeding and Transgenic Animal Comments

  • Question
  • 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

  • Correct Answer
  • ?-anti trypsin (AAT) 


  • Animal Breeding and Transgenic Animal problems


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    • 1. Transfection refers to which of the following?

    • Options
    • A. Synthesis of mRNA from DNA template
    • B. Synthesis of protein based on mRNA sequence
    • C. Introduction of foreign gene in to a cell
    • D. The process by which a cell become malignant
    • Discuss
    • 2. Which of the following is the process of choosing parent organisms for the characteristics that is wanted in their offspring?

    • Options
    • A. Active selection
    • B. Reproductive selection
    • C. Selective breeding
    • D. Breeding selection
    • Discuss
    • 3. The nucleous of mature unfertilized ovum may be removed by

    • Options
    • A. irradiation
    • B. surgery
    • C. both (a) and (b)
    • D. neutralization and homogenization
    • Discuss
    • 4. Chromosomes may be isolated from metaphase cells by

    • Options
    • A. hypertonic lysis
    • B. hypotonic lysis
    • C. either (a) or (b)
    • D. isotonic lysis
    • Discuss
    • 5. Which part of a cell carries the information that is passed from one generation to the next?

    • Options
    • A. Cell
    • B. Nucleus
    • C. Cytoplasm
    • D. Chloroplast
    • Discuss
    • 6. 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
    • 7. 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
    • 8. 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
    • 9. 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
    • 10. For the transfer of whole individual chromosomes, they are isolated from the cells at

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


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