- 1(current)
Q. No.When the two genes in a dihybrid cross are situated on the same chromosome:
| 1. | The proportion of parental gene combinations was much higher than the non-parental type. |
| 2. | The proportion of parental gene combinations was much lesser than the non-parental type. |
| 3. | The proportion of parental gene combinations was equal to the non-parental type. |
| 4. | Only recombinants are formed. |
Subtopic: Recombination & Gene Mapping |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe progeny of a dihybrid test cross AaBb x aabb show the following genotypes: AaBb 160, Aabb 460, aaBb 440, aabb 140. The recombination frequency between the two loci is:
| 1. | 12.5 % | 25 % | |
| 3. | 15 % | 4. | 30 % |
64%
Subtopic: Recombination & Gene Mapping |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat map unit (Centimorgan) is adopted in the construction of genetic maps?
| 1. | A unit of distance between genes on chromosomes, representing 50% cross-over. |
| 2. | A unit of distance between two expressed genes, representing 10% cross-over. |
| 3. | A unit of distance between two expressed genes, representing 100% cross-over. |
| 4. | A unit of distance between genes on chromosomes. representing 1% cross-over. |
Subtopic: Recombination & Gene Mapping |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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