- 1(current)
Q. No.When the two genes in a dihybrid cross were situated on the same chromosome:
| 1. | the proportion of parental gene combinations were much lower than the non-parental type. |
| 2. | the proportion of parental gene combinations were much higher than the non-parental type. |
| 3. | the proportion of parental gene combinations were equal to the non-parental type. |
| 4. | only the parental gene combinations were seen in the progeny. |
Subtopic: Linkage |
87%
Level 1: 80%+
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Consider the following statements about linked genes:
1. Only Statement I is correct.
2. Only Statement II is correct.
3. Both Statements are correct.
4. Neither Statement is correct.
| I: | Linked genes are always found on different chromosomes. |
| II: | Recombination between linked genes does not occur. |
2. Only Statement II is correct.
3. Both Statements are correct.
4. Neither Statement is correct.
Subtopic: Linkage |
56%
Level 3: 35%-60%
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Consider the given two statements:
| Assertion (A): | Genes that are linked do not assort independently. |
| Reason (R): | Linked genes are located close to each other on the same chromosome and tend to be inherited together during meiosis, overriding Mendel’s law of independent assortment. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True and (R) does not correctly explain (A) |
| 3. | (A) is True; (R) is False |
| 4. | (A) is False; (R) is True |
Subtopic: Linkage |
88%
Level 1: 80%+
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- 1(current)
Q. No.
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