Question for 01 September zoology

Q:-1 write down any 5 diseases caused by helminths in humans. Discuss one of them briefly.(15)

Q:-2 How dosage compensation occurs in drosophila and C elegans. Describe lyonn hypothesis in humans.(15)

Q:-3 how inversion is different from translocation give their significance and write down any 2 disease caused by them. (15)

Define Mutagenesis and mutagens. Describe various type of mutagens and their actions.(20)

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Q:-1 What is dosage compensation? Explain lyonnhypothesis. Discuss its significance. (20) Q:-2 Discuss the sex determination process in Drosophila. How it is different from humans. (15) Q:-3 Describe the molecular mechanism of sex determination in human. Comment on evolution of Y chromosome in mammals. (20) Q:-4 What are anadromous fishes? How their migration process different from catadromous fishes. Describe the significance of migration. (20) Q:-5 Discuss the process of osmoregulation in pieces. Describe their respiration in brief. (15)
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