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Genetics Mutation - Questions and Answers

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6. How many mutations have been reported in Drosophila
A. 150
B. 200
C. 250
D. 500
Explanation:
7. Mutations which are caused by external agents are called
A. Back mutations
B. Induced mutations
C. External mutations
D. Spontaneous mutations
Explanation:
8. Mutations by a chemical agents was first noticed in the mold, when it was treated with
A. Nitric acid
B. Nitrous acid
C. Hydrochloric acid
D. Sulphuric acid
Explanation:
9. Who exposed Drosophila to the ultraviolet rays to obtain mutant forms
A. Alten burg
B. Hiedel burg
C. Edwin Ross
D. Morgan
Explanation:
10. The organism used by Morgan for mutation studies is
A. Neurospora
B. Drosophila melanogaster
C. Triticum vulgare
D. Gossypium hirsutum
Explanation:
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