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प्रश्न
Answer the following question.
Two children, A and B aged 4 and 5 years respectively visited a hospital with a similar genetic disorder. The girl A was provided enzyme-replacement therapy and was advised to revisit periodically for further treatment. The girl, B was, however, given a therapy that did not require revisit for further treatment.
How was the girl B cured permanently?
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उत्तर
Girl B was treated with gene therapy through the gene isolated from bone marrow cells producing ADA is introduced into cells at early embryonic stages which are a permanent cure so the patient is cured permanently.
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संबंधित प्रश्न
What is the difference between missense and nonsense mutation?
Haploid plants are preferred over diploids for mutation study because in haploids ______.
Match list I with list II.
| List I | List II | ||
| A. | A pair of chromosomes extra with diploid | i) | monosomy |
| B. | One chromosome extra to the diploid | ii) | tetrasomy |
| C. | One chromosome loses from diploid | iii) | trisomy |
| D. | Two individual chromosomes lose from diploid | iv) | double monosomy |
Match list I with list II
| List I | List II |
| A. A pair of chromosomes extra with diploid | (i) monosomy |
| B. One chromosome extra to the diploid | (ii) tetrasomy |
| C. One chromosome loses from diploid | (iii) trisomy |
| D. Two individual chromosomes lose from diploid | (iv) double monosomy |
Which of the following is caused by intrinsic replication errors and tautomeric shifts?
What is the primary mechanism by which UV radiation causes mutations?
Which physical mutagen works through ionizing radiation to break DNA strands?
Which chemical mutagen is a base analogue that replaces thymine?
Which type of chemical mutagen causes frameshift mutations?
Which human genetic condition is characterized by trisomy 21 and results from chromosomal mutation?
