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प्रश्न
If you cross dominant genotype PV/PV male Drosophila with double recessive female and obtain F1 hybrid. Now you cross F1 male with double recessive female.
What type of linkage is seen?
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उत्तर
Incomplete linkage
संबंधित प्रश्न
Accurate mapping of genes can be done by three-point test cross because increases
Which one of the following hydrolysis internal phosphodiester bonds in a polynucleotide chain?
Explain the mechanism of crossing over.
How is Nicotiana exhibit self-incompatibility? Explain its mechanism.
When two different genes came from the same parent they tend to remain together.
Draw the cross with a suitable example.
If you cross dominant genotype PV/PV male Drosophila with double recessive female and obtain F1 hybrid. Now you cross F1 male with double recessive female.
Draw the cross with the correct genotype.
| S. no | Gamete types | Number of progenies |
| 1. | ABC | 349 |
| 2. | Abc | 114 |
| 3. | abC | 124 |
| 4. | AbC | 5 |
| 5. | aBc | 4 |
| 6. | aBC | 116 |
| 7. | ABc | 128 |
| 8. | abc | 360 |
- What is the name of this test cross?
- How will you construct gene mapping from the above-given data?
- Find out the correct order of genes.
What is gene mapping? Write its uses.
Write the steps involved in the molecular mechanism of DNA recombination with a diagram.
