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Sentence Rearrangement questions have gained importance in the VARC Section of the CAT Exam over the years. We can see atleast 2 questions of this type in the CAT Question paper making it crucial for you to practice such questions. The best place to practice these questions is the CAT previous year paper questions as they help you set the tone for the exam.
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The sentences (labelled 1, 2, 3, 4 and 5) given below, when properly sequenced would yield a coherent paragraph. Decide on the proper sequence of the order of the sentences and key in the sequence of the four numbers as your answer.

Question 26 : 1. Scientists have for the first time managed to edit genes in a human embryo to repair a genetic mutation, fuelling hopes that such procedures may one day be available outside laboratory conditions.
2. The cardiac disease causes sudden death in otherwise healthy young athletes and affects about one in 500 people overall.
3. Correcting the mutation in the gene would not only ensure that the child is healthy but also prevents transmission of the mutation to future generations.
4. It is caused by a mutation in a particular gene and a child will suffer from the condition even if it inherits only one copy of the mutated gene.
5. In results announced in Nature this week, scientists fixed a mutation that thickens the heart muscle, a condition called hypertrophic cardiomyopathy.

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Explanatory Answer

1 is the best opening sentence. 15 is a link: 5 adds to 1, naming the specific genetic mutation that scientists have fixed.

2, which starts with ‘the cardiac disease’ immediately follows 5, as 5 is the only sentence that names the disease.

4 relates to the cause of the disease and starts off with the pronoun ‘it’. So, 4 follows 2.

3, which explains the effect of the correction of this genetic mutation, is a good concluding sentence for the paragraph. So, 15243 is the right order.

15243 is the correct answer.


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