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Genetics Mutations - Questions and Answers

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91. The fine structure of the genes is known by the study of mutant strains of
A. Bacteria
B. Fungi
C. Yeast
D. Viruses
Explanation:
92. The mutant strains of this fungus lose the ability to synthesize certain amino acids
A. Neurospora
B. Penicillium
C. Yeast
D. Chlamydomonas
Explanation:
93. Carcinogenesis and mutagenesis are caused due to
A. Changes in genes
B. Changes in Chromosomes
C. Damage to DNA
D. Damage to Chromosomes
Explanation:
94. Cistron and recon are the small units of
A. Chromosome
B. Chlorophyll
C. Gene
D. Somatic cell
Explanation:
95. Some heritable diseases and many instances of cancer in human beings are the results
A. Heredity
B. Variation
C. Mutation
D. Epistasis
Explanation:
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