Nobel prize was given to Andrew Fire and Craig Mello for their work on $RNAi$ on

  • A

    Meloidogyne incognita

  • B

    Caenorhabditis elegans

  • C

    Bacillus thuringiensis

  • D

    Brassica napus

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What could be the possible harm of using antibiotic resistant gene as a selectable marker in plasmid, used for gene transfer in production of $GM$ food?

$(A)$ $GM$ food contains the enzyme produced by the antibiotic resistance gene that was used during gene tranfer in genetic engineering. This could cause allergies since it is a foreign protein.

$(B)$ The bacteria present in the alimentary canal of the humans could take up the antibiotic resistance gene present in $GM$ food.

$(C)$ The bacteria in the human alimentary canal would then become resistant to the concerned antibiotic.

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and damaging.

Which one of the following vectors is used to replace the defective gene in gene therapy ?

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Select the correct statement $(s)$

$(1)$  $IARI$ has released a mustard variety rich in vitamin $C$.

$(2)$ Pusa Sawani variety of Okra is resistant to aphids.

$(3)$ Hairiness of leaves provides resistance to insect pests.

$(4)$ Agriculture accounts for approximately $33\%$ of India's $GDP$ and employs nearly $62\%$ of the population.

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