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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.
Draw the cross with the correct genotype.
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उत्तर
Parent Garnets
F1 hybrid
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?
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?
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.
| 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.
