Using the Techniques Employed by Genetic Engineering, A New Species GMAT Sentence Correction

Question:
Using the techniques employed by genetic engineering, a new species of microorganism has been developed by laboratory scientists to aid in cleaning up oil spills by digesting the oil.

1. Using the techniques employed by genetic engineering, a new species of microorganism has been developed by laboratory scientists to
2. Using the techniques employed by genetic engineering, a new species of microorganism that was developed by laboratory scientists will
3. Using the techniques of genetic engineering laboratory scientists have developed a new species of microorganism to
4. Employing the techniques of genetic engineering there has been a development by laboratory scientists of a new species of microorganism that will
5. Employing the techniques of genetic engineering, a new species of microorganism that was developed by laboratory scientists will

“Using the techniques employed by genetic engineering, a new species of microorganism has been developed by laboratory” - is a GMAT sentence correction question. These types of questions contain grammatical errors in the underlined sentence and we have to choose the correct statement from the options. GMAT sentence correction is a part of GMAT verbal.

Answer: C
Explanation:
The adjustment that is being asked for for the given phrase can be verified using the guidelines below:

• Parallelism
• Examining two separate aspects
• Modifiers

The following is the sentence structure:
Scientists in the lab have created a new species of bacterium that can help clean up oil spills by consuming the oil using genetic engineering techniques.

Option A: Incorrect
A is the incorrect answer.
It has not been mentioned who is using the technique for new species of microorganisms. No, this does not make sense. This sentence does not make sense. This choice has a modifier error. Hence, it cannot be the correct choice.

Option B: Incorrect
Choice B is incorrect. In this choice also, there is the same problem that was in A.
It has not been mentioned who is using the technique for new species of microorganisms. No this does not make sense. This sentence does not make sense. This choice has a modifier error. Hence, it cannot be the correct choice.

Option C: Correct
This option is correct. This choice conveys the meaning of the sentence correctly. V+ ing comma or no comma subject are used to modify the subject. Clearly, it is the correct choice.

Option D: Incorrect
This is incorrect. This choice has been written in passive voice. Hence, it does not make clear sense to the reader.

Option E: Incorrect
This is an incorrect choice. Here it has mentioned the techniques but not mentioned who employed these techniques. This choice has a modifier error as the modifier is incorrectly modifying a new species.

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