Q. No.Subtopic: Non - Disjunction & Aneuploidy |
93%
Level 1: 80%+
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Which of the following is the correct match:
| 1. | Down Syndrome = 21st Chromosome |
| 2. | Sickel cell anaemia = X – Chromosome |
| 3. | Haemophilia = Y – Chromosome |
| 4. | Parkinson Disease = X & Y Chromosomes |
Subtopic: Non - Disjunction & Aneuploidy |
91%
Level 1: 80%+
AIPMT - 2002
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Which of the following is not a typical feature of Down’s syndrome?
| 1. | Short stature and a small round head |
| 2. | Development of gynecomastia in males |
| 3. | Mental retardation |
| 4. | Broad palm with characteristic palm crease |
Subtopic: Non - Disjunction & Aneuploidy |
90%
Level 1: 80%+
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The condition in which there are more than two complete sets of chromosomes is called
1. aneuploidy
2. polytene
3. polyploidy
4. monoploidy
1. aneuploidy
2. polytene
3. polyploidy
4. monoploidy
Subtopic: Non - Disjunction & Aneuploidy |
85%
Level 1: 80%+
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Which of the following conditions is not a case of aneuploidy?
| 1. | Down’s syndrome | 2. | Turner’s syndrome |
| 3. | Thalassemia | 4. | Klinefelter’s syndrome |
Subtopic: Mendelian Disorders: Thalassemia | Non - Disjunction & Aneuploidy | Sex Aneuploidy - Turner & Klinefelter Syndrome |
89%
Level 1: 80%+
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Broad palm with single palm crease is visible in a person suffering from-
| 1. | Thalassemia | 2. | Down's syndrome |
| 3. | Turner's syndrome | 4. | Klinefelter's syndrome |
Subtopic: Non - Disjunction & Aneuploidy | Sex Aneuploidy - Turner & Klinefelter Syndrome |
89%
Level 1: 80%+
NEET - 2023
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Absence of disjunction of chromosomes during cell division can lead to
| 1. | Myotonic dystrophy |
| 2. | Cystic fibrosis |
| 3. | Down’s syndrome |
| 4. | Phenylketonuria |
Subtopic: Non - Disjunction & Aneuploidy |
86%
Level 1: 80%+
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Match List-I with List-II
| List-I | List-II | ||
| (a) | Haemophilia | (i) | Inborn error of metabolism which lacks an enzyme that converts phenylalanine into tyrosine |
| (b) | Down's Syndrome | (ii) | Sex-linked recessive disorder; a defect in blood coagulation |
| (c) | Phenylketonuria | (iii) | Presence of additional copy of X-chromosome (44+XXY) |
| (d) | Klinefelter's Syndrome | (iv) | Additional copy of chromosome number 21 |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iv) | (i) | (iii) |
| 2. | (iv) | (ii) | (i) | (iii) |
| 3. | (ii) | (iii) | (i) | (iv) |
| 4 | (i) | (ii) | (iii) | (iv) |
Subtopic: Mendelian Disorders | Non - Disjunction & Aneuploidy | Sex Aneuploidy - Turner & Klinefelter Syndrome |
88%
Level 1: 80%+
NEET - 2022
Hints
Match List I with List II:
Choose the correct answer from the options given below:
1. A - (IV); B - (I); C - (II); D - (III)
2. A - (II); B - (III); C - (IV); D - (I)
3. A - (IV); B - (III); C - (II); D - (I)
4. A - (III); B - (I); C - (IV); D - (II)
| List I | List II |
| A. Turner's syndrome | I. Recessive gene |
| B. Hemophilia | II. Addition of X chromosome (XXY) |
| C. Down syndrome | III. Lack of X chromosome (XO) |
| D. Klinefelter's syndrome | IV. Trisomy of a chromosome |
1. A - (IV); B - (I); C - (II); D - (III)
2. A - (II); B - (III); C - (IV); D - (I)
3. A - (IV); B - (III); C - (II); D - (I)
4. A - (III); B - (I); C - (IV); D - (II)
Subtopic: Non - Disjunction & Aneuploidy | Sex Aneuploidy - Turner & Klinefelter Syndrome |
87%
Level 1: 80%+
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Consider the two given statements:
1. Statement I is correct; Statement II is incorrect
2. Statement I is correct; Statement II is correct
3. Statement I is incorrect; Statement II is incorrect
4. Statement I is incorrect; Statement II is correct
| Statement I: | Failure of segregation of chromatids during cell division cycle results in the gain or loss of a chromosome(s). |
| Statement II: | Failure of cytokinesis after telophase stage of cell division results in an increase in a whole set of chromosomes in an organism. |
1. Statement I is correct; Statement II is incorrect
2. Statement I is correct; Statement II is correct
3. Statement I is incorrect; Statement II is incorrect
4. Statement I is incorrect; Statement II is correct
Subtopic: Non - Disjunction & Aneuploidy | Sex Aneuploidy - Turner & Klinefelter Syndrome |
86%
Level 1: 80%+
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