Detection of a Transgenic Plant Can Be Accomplished in a Number

question 43

Multiple Choice

Detection of a transgenic plant can be accomplished in a number of different ways,but often the initially transformed cells (in tissue culture) are enriched for the presence of a transgene by:

• A)screening groups of cells using the polymerase chain reaction.
• B)examining if the phenotype of the cells has been altered.
• C)placing the potentially transformed cells in the presence of a drug that inhibits the division of non-transgenic cells.
• D)microscopically examining the cells and isolating those that have "extra" DNA.
• E)None of the above.Transgenesis cannot be selected for in tissue culture.

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