Which of the following statements is true?
A. Gene mutations never occur independently of each other.
B. Gene mutations are very common.
C. Ionizing radiation is caused by chromosomal damage.
D. Mutations are random.
E. The loci of gene mutations can be predicted.
Answer: D
Biology & Microbiology
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How is antigenic shift different from antigenic drift?
A. The change in viral proteins is sudden. B. Genetic information is exchanged between different strains. C. A new viral strain is formed that represents a mix of two or more strains. D. All of the answer options are correct.
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Which chromosomal pair is associated with Down's syndrome?
a. 34 b. 16 c. 8 d. 2 e. 21
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The oval window is indicated by
a. A. b. B. c. D. d. E. e. F.
Biology & Microbiology
Describe how and why DNA replication is semidiscontinuous
What will be an ideal response?
Biology & Microbiology