- 1(current)
Q. No.When there is a change in the chromosome number such that the changes number is not an exact multiple of base number [haploid number], the condition is called as:
| 1. | Euploidy | 2. | Aneuploidy |
| 3. | Aberration | 4. | Non-disjunction |
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Failure of cytokinesis after telophase stage of cell division results in an increase in a whole set of chromosomes in an organism and this phenomenon is known as:
| 1. | Aneuploidy | 2. | Translocation |
| 3. | Polyploidy | 4. | Inversion |
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Monosomy means:
| 1. | Lack of one pair of chromosomes |
| 2. | Lack of one of any one pair of chromosome |
| 3. | Presence of an extra chromosome |
| 4. | Presence of an extra set of chromosomes |
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Which of the following is not a feature of Down’s Syndrome?
| 1. | It is caused by a non-disjunction in an autosome. |
| 2. | The affected individual has a trisomy of chromosome 21. |
| 3. | The affected individual has a characteristic simian palmar crease. |
| 4. | The mental development of the affected individual is normal. |
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| Statement I: | Part A shows the common clinical features of Down’s syndrome. |
| Statement II: | Part B shows the characteristic karyotype of Down’s Syndrome. |
2. Only Statement II
3. Both Statement I and Statement II
4. Neither Statement I nor Statement II
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| Chromosomal disorder | Karyotype | |
| A |  |
 |
| B |  |
 |
| 1. | Only A | 2. | Only B |
| 3. | Both A and B | 4. | Neither A nor B |
- 1(current)
Q. No.
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