- 1(current)
Q. No.Match the terms in Column I with their description in Column II and choose the correct option.
| Column I | Column II | ||
| A. | Dominance | 1. | Many govern a single character |
| B. | Codominance | 2. | In a heterozygous organism, only one allele expresses itself |
| C. | Pleiotropy | 3. | In a heterozygous organism, both alleles express themselves fully |
| D. | Polygenic inheritance | 4. | A single gene influences many characters |
| A | B | C | D | |
| 1. | 2 | 3 | 4 | 1 |
| 2. | 4 | 1 | 2 | 3 |
| 3. | 4 | 3 | 1 | 2 |
| 4. | 2 | 1 | 4 | 3 |
Subtopic: Â Polygenic Inheritance & Pleiotropy |Â Co-dominance |
 91%
From NCERT
NEET - 2016
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As per \(\mathrm{ABO}\) blood grouping system, the blood group of father is \(\mathrm{B^+}\), mother is \(\mathrm{A^+}\) and child is \(\mathrm{O^+}\). Their respective genotype can be
Choose the most appropriate answer from the options given below:
1. B only
2. C & B only
3. D & E only
4. A only
| A. | \(\mathrm{I^{B}i / I^{A}i / ii}\) |
| B. | \(\mathrm{I}^{\mathrm{B}} \mathrm{I}^{\mathrm{B}} / \mathrm{I}^{\mathrm{A}} \mathrm{I}^{\mathrm{A}} / \mathrm{ii}\) |
| C. | \(\mathrm{I^AI^B/iI^A/I^Bi}\) |
| D. | \(\mathrm{I^{A}i / I^{B}i / I^{A}i}\) |
| E. | \(\mathrm{i I^B / i I^A / I^A I^B}\) |
1. B only
2. C & B only
3. D & E only
4. A only
Subtopic: Â Co-dominance |
 67%
From NCERT
NEET - 2024
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Identify the wrong statement with reference to the gene 'I' that controls ABO blood groups.
| 1. | A person will have only two of the 3 alleles. |
| 2. | When IA and IB are present together, they express same type of sugar. |
| 3. | Allele 'i' does not produce any sugar. |
| 4. | The gene (I) has three alleles. |
Subtopic: Â Co-dominance |
 76%
From NCERT
NEET - 2020
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The genotypes of a husband and wife are IAIB and IAi respectively. Among the blood types of their children, how many different genotypes and phenotypes are possible?
1. 3 genotypes; 4 phenotypes
2. 4 genotypes; 3 phenotypes
3. 4 genotypes; 4 phenotypes
4. 3 genotypes; 3 phenotypes
Subtopic: Â Co-dominance |
 74%
From NCERT
NEET - 2017
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Which of the following characteristics represent the 'Inheritance of blood groups' in humans?
a. Dominance
b. Co-dominance
c. Multiple allelism
d. Incomplete dominance
e. Polygenic inheritance
| 1. | b, c, and e | 2. | a, b and c |
| 3. | b, d, and e | 4. | a, c, and e |
Subtopic: Â Co-dominance |
 60%
From NCERT
NEET - 2018
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ABO blood group is an example of
1. Incomplete dominance
2. Multiple allele
3. Pleiotropy
4. Linkage
1. Incomplete dominance
2. Multiple allele
3. Pleiotropy
4. Linkage
Subtopic: Â Co-dominance |
 86%
From NCERT
NEET - 2024
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The mother has A+ blood group, the father has B+ and the child is A+. What can be possible genotypes of all three, respectively?
A. IAIA | IBi | IBi
B. IAIA | IBi | IAi
C. IB i IA IA| IA IB
D. IAIA | IBIB | IAi
E. IA | IBi | IAi
Choose the correct answer from the options given below:
1. C and D
2. D and A
3. A and B
4. B and E
A. IAIA | IBi | IBi
B. IAIA | IBi | IAi
C. IB i IA IA| IA IB
D. IAIA | IBIB | IAi
E. IA | IBi | IAi
Choose the correct answer from the options given below:
1. C and D
2. D and A
3. A and B
4. B and E
Subtopic: Â Co-dominance |
 81%
From NCERT
NEET - 2024
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| List-I Types of inheritance |
List-II Example |
||
| A. | Incomplete dominance | I. | Blood groups in human |
| B. | Co-dominance | II. | Flower colour in Antirrhinum |
| C. | Pleiotropy | III. | Skin colour in human |
| D. | Polygenic inheritance | IV. | Phenylketonuria |
1. A-III,B-IV, C-II, D-I
2. A-II, B-I, C-IV, D-III
3. A-II,B-III, C-I, D-IV
4. A-IV, B-I, C-III, D-II
Subtopic: Â Monohybrid Cross: 1 |Â Monohybrid Cross: Further Understanding |Â Polygenic Inheritance & Pleiotropy |Â Co-dominance |
 89%
From NCERT
NEET - 2024
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- 1(current)
Q. No.
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