Q. Deletion in sex chromosome is better tolerated than that in autosome.

View solution

Q. How will you recognize a terminal deletion from breakage and loss at the terminal end?

View solution

Q. What will be the effect of the deletion mutation of a gene at the telomere?

View solution

Q. You hybridize two cells one of which carries a deletion mutation on chromosome 1. What will you expect to observe?

View solution

Q. Which of the following is not a possible cause of lethality of individuals carrying a deletion mutation?

View solution

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