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Home Biotechnology Animal Biotechnology Chromosomes See What Others Are Saying!
  • Question
  • Transmission of a gene from male parent to female child to male grand child is known as


  • Options
  • A. holandric inheritance
  • B. quantitative inheritance
  • C. criss-cross inheritance
  • D. maternal inheritance

  • Correct Answer
  • criss-cross inheritance 


  • More questions

    • 1. Phloem is composed of

    • Options
    • A. vessel elements and companion cells
    • B. tracheids and vessel elements
    • C. sieve-tube elements and companion cells
    • D. tracheids and sieve-tube elements
    • Discuss
    • 2. The ability of the component cells of callus to form a whole plant is known as

    • Options
    • A. redifferentiation
    • B. dedifferentiation
    • C. either (a) or (b)
    • D. none of these
    • Discuss
    • 3. T-DNA transfer and processing into plant genome requires products of which of the following genes?

    • Options
    • A. vir A,B
    • B. vir G,C
    • C. vir D,E
    • D. All of these
    • Discuss
    • 4. Plasmids which are maintained as multiple copy number per cell are known as

    • Options
    • A. stringent plasmids
    • B. relaxed plasmids
    • C. cryptic plasmids
    • D. none of these
    • Discuss
    • 5. Fermentation medium for oxytetracyclin (terramycin) consist of

    • Options
    • A. CSL, starch, (NH4)2 SO4, sodium chloride and CaCO3
    • B. CSL, (NH4)2 SO4, sodium chloride and CaCO3
    • C. CSL, starch,(NH4)2 SO4, ammonium chloride and CaCO3
    • D. CSL,(NH4)2 SO4, ammonium chloride and CaCO3
    • Discuss
    • 6. When dissolved oxygen is lower than the critical concentration, viable cell concentration declines because of

    • Options
    • A. incomplete glutamine oxidation
    • B. increase in specific lactate production from glucose
    • C. both (a) and (b)
    • D. accumulation of ammonia
    • Discuss
    • 7. If starch containing substrates are used for ethanol production, yeast strain can't be used directly because

    • Options
    • A. it doesn't contain amylases to hydrolyze starch
    • B. starch is not a suitable substrate for the production of ethanol
    • C. it is converted to pentose sugar
    • D. none of the above
    • Discuss
    • 8. Which tropical fruit crop has been successfully engineered to be protected against a lethal virus?

    • Options
    • A. Passion fruit
    • B. Papaya
    • C. Mango
    • D. Lychee
    • Discuss
    • 9. What are different substrates used for ethanol production?

    • Options
    • A. Starch containing substrate
    • B. Juices from sugarcane or molasses or sugar beet
    • C. Waste product from wood or processed wood
    • D. All of the above
    • Discuss
    • 10. Which of the following transposable elements are not found in plants?

    • Options
    • A. Ac
    • B. Tam3
    • C. L1
    • D. All are found
    • Discuss


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