- 1(current)
Q. No.How many unique gametes could be produced through independent assortment by an individual with the genotype AaBbCCDdEE?
| 1. | 4 | 2. | 8 |
| 3. | 16 | 4. | 32 |
Subtopic: Â Polygenic Inheritance & Pleiotropy |
 85%
Level 1: 80%+
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NEET 2026 - Target Batch - Vital
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The inheritance of colour in wheat Kernel shown below is explained by:
| 1. | Polygenic inheritance | 2. | Pleiotropy |
| 3. | Epistatic interaction | 4. | Multiple allelism |
Subtopic: Â Polygenic Inheritance & Pleiotropy |
 75%
Level 2: 60%+
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
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%
Level 1: 80%+
NEET - 2016
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NEET 2026 - Target Batch - Vital
Human skin colour is a polygenic trait. What proportion of progeny in a mating between a male with the genotype AaBbCC and a female with the genotype AaBbCc will have the genotype AABBcc?
| 1. | 0 | 2. | 6/64 |
| 3. | 15/64 | 4. | 20/64 |
Subtopic: Â Polygenic Inheritance & Pleiotropy |
Level 3: 35%-60%
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Which of the following is not correct regarding polygenic inheritance?
| 1. | Main mode of non-allelic genes interaction in corresponding gene series is addition of mainly small particular allele contributions. |
| 2. | The effects of allelic substitution at each of the segregating genes are usually relatively small and interchangeable which results that identical phenotype may be displayed by a great variety of genotypes. |
| 3. | The phenotypic expression of the polygenic characters is undergoing considerable modification by environmental influence. |
| 4. | Polygenic characters show a discontinuous rather than continuous distribution. |
Subtopic: Â Polygenic Inheritance & Pleiotropy |
 52%
Level 3: 35%-60%
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- 1(current)
Q. No.
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