Q. The appearance of a recessive phenotype due to deletion of dominant gene is called_______________

View solution

Q. You generate a fluorescent probe against a gene that has been deleted. You expose the DNA to the probe and observe it under fluorescent microscope. What will you see?

View solution

Q. Deletions in chromosomes give the following data-

Region of deletion Gene A activity

A1 +++

A2 ++

A3 +

A4 +++

A5 +++

Where is the gene located?

View solution

Q. Deletion of a region led to over expression of a gene X. What do you conclude from this observation?

View solution

Q. Yellow colour of mouse is generated by _________ mutation.

View solution

Q. Which of the following is not true about the Notch gene in Drosophila?

View solution

Q. Euploidy is a chromosomal variation in ______________________

View solution

Q. Euploidy is a form of allopoliplody.

View solution

Q. A male ant is _______________

View solution

Q. A male bee can’t have a________________

View solution

Q. Which of the following will be sterile?

View solution

Q. Colchicine is used to cause______________

View solution

Q. In an experiment, you culture the anthers and leaves of a flower. You see the plants so generated are_____________

View solution

Q. Choose the odd one out?

View solution

Q. Which of the following pairing will not occur during meiosis of tetraploid?

View solution

Q. Normal wheat Triticum aestivum is ___________

View solution

Q. Farmers often practice polyploidy as ____________________

View solution

Q. In animals polypoidy is rarely practiced as _______________

View solution

Q. In aneuploidy the entire set of chromosome is not involved in duplication of deletion.

View solution

Q. If an organism has 14 chromosomes, the number of chromosome generated by nullisomy will be_____________________

View solution