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Q. No.During the biosynthesis of haemoglobin in sickle cell anaemic patients, CAC codon is transcribed to
1. GUG
2. GAG
3. CAC
4. CUC
Subtopic: Mendelian Disorders: Sickle Cell Anemia |
71%
Level 2: 60%+
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Given below are two statements:
Statement I: Down's syndrome is a genetic disorder due to the presence of an additional copy
Statement II: The affected individual is short statured with small round head, is sterile and expresses Gynaecomastia
In the light of the above statements, choose the most appropriate answer from the options given below
1. Both statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but statement II is false
4. Statement I is false but Statement II is true
Statement I: Down's syndrome is a genetic disorder due to the presence of an additional copy
Statement II: The affected individual is short statured with small round head, is sterile and expresses Gynaecomastia
In the light of the above statements, choose the most appropriate answer from the options given below
1. Both statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but statement II is false
4. Statement I is false but Statement II is true
Subtopic: Non - Disjunction & Aneuploidy |
72%
Level 2: 60%+
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Haemophilia is more commonly seen in human males than in human females because
1. It is a X-linked recessive disease
2. A greater proportion of girls die in infancy
3. It is a Y-linked recessive disease
4. It is a X-linked dominant disease
1. It is a X-linked recessive disease
2. A greater proportion of girls die in infancy
3. It is a Y-linked recessive disease
4. It is a X-linked dominant disease
Subtopic: Mendelian Disorders: Hemophilia |
88%
Level 1: 80%+
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Given below are two statements :
In light of the above statements, choose the correct answer from the options given below :
1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct.
| Statement I: | Sickle cell anaemia and Haemophilia are autosomal dominant traits. |
| Statement II: | Sickle cell anaemia and Haemophilia are disorders of the blood. |
In light of the above statements, choose the correct answer from the options given below :
1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct.
Subtopic: Mendelian Disorders: Hemophilia |
83%
Level 1: 80%+
NEET - 2022
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The chromosomal theory of inheritance was proposed by:
1. Thomas Morgan
2. Sutton and Boveri
3. Gregor Mendel
4. Robert Brown
1. Thomas Morgan
2. Sutton and Boveri
3. Gregor Mendel
4. Robert Brown
Subtopic: Chromosomal Basis of Inheritance: Introduction |
84%
Level 1: 80%+
NEET - 2022
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If a female individual is with small round head, furrowed tongue, partially open mouth and broad palm with characteristic palm crease. Also the physical, psychomotor and mental development is retarded. The karyotype analysis of such an individual will show :
| 1. | 47 chromosomes with XXY sex chromosomes |
| 2. | 45 chromosomes with XO sex chromosomes |
| 3. | 47 chromosomes with XYY sex chromosomes |
| 4. | Trisomy of chromosome 21 |
Subtopic: Non - Disjunction & Aneuploidy |
86%
Level 1: 80%+
NEET - 2022
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What is the expected percentage of F2 progeny with yellow and inflated pod in dihybrid cross experiment involving pea plants with green coloured, inflated pod and yellow coloured constricted pod?
| 1. | 100% | 2. | 56.25% |
| 3. | 18.75 % | 4. | 9% |
Subtopic: Dihybrid Cross Analysis |
55%
Level 3: 35%-60%
NEET - 2022
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Select the incorrect match regarding the symbols used in Pedigree analysis:
| 1. | .svg.svg) |
Sex unspecified |
| 2. | .svg.svg) |
Affected individual |
| 3. | .svg.svg) |
Consanguineous mating |
| 4. | .svg.svg) |
Parent with male child affected with disease |
Subtopic: Pedigree Analysis: Basics |
86%
Level 1: 80%+
NEET - 2022
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A normal girl, whose mother is haemophilic marries a male with no ancestral history of haemophilia. What will be the possible phenotypes of the offsprings?
Choose the most appropriate answer from the options given below:
1. (a) and (b) only
2. (b) and (c) only
3. (a) and (d) only
4. (b) and (d) only
| (a) | Haemophilic son and haemophilic daughter. |
| (b) | Haemophilic son and carrier daughter. |
| (c) | Normal daughter and normal son. |
| (d) | Normal son and haemophilic daughter. |
1. (a) and (b) only
2. (b) and (c) only
3. (a) and (d) only
4. (b) and (d) only
Subtopic: Mendelian Disorders: Hemophilia |
74%
Level 2: 60%+
NEET - 2022
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The diagram shows two possible arrangements of homologues at metaphase equatorial plate during meiosis and the resultant gametic combinations. This is the physical basis of:
| 1. Segregation | 2. Independent assortment |
| 3. Multiple allelism | 4. Pleiotropy |
Subtopic: Chromosomal Basis of Inheritance: Further Considerations |
75%
Level 2: 60%+
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