CAT 2017 Slot 1 VARC · Question 26
The four 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.
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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