Question:

When gene targetting involving gene amplification is attempted in an individual’s tissue to treat disease, it is known as :

Updated On: Apr 14, 2025

  • Safety testing

  • Biopiracy

  • Gene therapy

  • Molecular diagnosis

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The Correct Option is C

Solution and Explanation

The correct answer is option (C) : Gene therapy

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Top Questions on Anatomy of Flowering Plants

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Concepts Used:

Anatomy of Dicotyledonous and Monocotyledonous Plants

Dicot Root:

  • Dicot plants have the taproot system.
  • The outermost layer is called the epidermis. The epidermal cells sometimes project out which appear as the root hairs.
  • The epidermis is followed by the multi-layered cortex, loosely made of the parenchyma cells with intercellular spaces.
  • The inner layer of the cortex is called endodermis, which is tightly packed by the barrel shaped-cells.
  • Endodermis is followed by pericycle, which are a few layers of thick-walled parenchyma cells.
  • In dicots, the central pith is not distinct.
  • There are two to four xylem and phloem.
  • The xylem and phloem are remarked by a layer of parenchymatous cells known as conjunctive tissue.

Monocot Root:

Monocot roots do not show much difference in the anatomy from that of the dicot roots.

  • Monocot plants possess an adventitious root system.
  • As in the dicots, the epidermis forms the outermost layer, followed by cortex, pericycle, endodermis, vascular bundles (xylem and phloem) and pith (random order).
  • Pith is conspicuous and large.
  • The number of xylem in a monocot is six or more.
  • Secondary growth is not seen in the monocot plants.