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Genetics Mutations - Questions and Answers

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26. Loss or deletion of a single nucleotide pair causes
A. Insertion mutation
B. Addition mutation
C. Deletion mutation
D. Substitution mutation
Explanation:
27. Deletion mutations are reported in some
A. Fungi
B. Yeasts
C. Chlamydomonas
D. All the above
Explanation:
28. Formaldehyde, nitrous acid, mustard gas, X-rays and UV rays are called
A. Mutant
B. Mutagens
C. Sports
D. Cupids
Explanation:
29. The mutation that can be induced by certain chemical mutagens is
A. Deletion mutation
B. Addition mutation
C. Substitution mutation
D. Somatic mutation
Explanation:
30. The mutation which alters the phenotype of an organism is
A. Somatic mutation
B. Deletion mutation
C. Substitution mutation
D. Addition mutation
Explanation:
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