Crossing over is the exchange of genetic material between homologous chromosomes during meiosis, which leads to variation in offspring.
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प्रश्न
What is crossing over?
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उत्तर
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संबंधित प्रश्न
How did sturtevant explain gene mapping while working with Morgan?
A cross between a normal couple resulted in a son who was haemophilic and a normal daughter. In course of time, when the daughter was married to a normal man, to their surprise, the grandson was also haemophilic.
- Represent this cross in the form of a pedigree chart. Give the genotypes of the daughter and her husband.
- Write the conclusion you draw of the inheritance pattern of this disease.
Give an example of a cross, showing complete linkage.
Answer the following question.
Explain linkage and recombination as put forth by T.H. Morgan based on his observations with the Drosophila melanogaster crossing experiment.
Answer the following question.
British geneticist R.C. Punnett developed a graphical representation of a genetic cross called “Punnett Square”. Mention the possible result this representation predicts of the genetic cross carried.
What was Morgan's observation when he hybridized yellow bodied white eyed female Drosophila to brown bodied red eyed male Drosophila and inter-crossed their progeny?
Blue eye colour is recessive to brown eye colour. A brown-eyed man whose mother was blue-eyed marries a blue-eyed woman. The children shall be ______.
Which of the following is suitable for experiment on linkage?
Crossing over in diploid organism is responsible for ______.
The enzyme involved in the process of crossing over is ______.
