Advertisements
Advertisements
प्रश्न
How many linkage groups are present in Drosophila melanogaster?
Advertisements
उत्तर
4 linkage groups are present in Drosophila melanogaster.
संबंधित प्रश्न
Define the following:
Test cross
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 detail account of sex-linked inheritance.
Analyze the following statements and select the correct option.
- Due to incomplete linkage, the parental traits are inherited in offsprings.
- Due to incomplete linkage, new traits occur in offsprings.
- X chromosome of Drosophila males show complete linkage.
- In Zea mays - colour and shape of grain show complete linkage
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 correct for the condition when plant YyRr is back crossed with the double recessive parent?
The percent crossing over is high when ______.
Linkage groups can be separated during ______ in meiosis.
T. H. Morgan used ______ for his experiments in linkage.
