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

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

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

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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?

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Q. Deletions in chromosomes give the following data-

Region of deletion Gene A activity

A1 +++

A2 ++

A3 +

A4 +++

A5 +++

Where is the gene located?

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

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

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

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Q. Euploidy is a chromosomal variation in ______________________

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Q. Euploidy is a form of allopoliplody.

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Q. A male ant is _______________

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Q. A male bee can’t have a________________

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Q. Which of the following will be sterile?

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Q. Colchicine is used to cause______________

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

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Q. Choose the odd one out?

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

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Q. Normal wheat Triticum aestivum is ___________

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Q. Farmers often practice polyploidy as ____________________

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Q. In animals polypoidy is rarely practiced as _______________

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