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Questions and Answers
All mutations are lethal and are eliminated by nature.
False
Mutations always occur in a single direction.
False
Chromosomal mutations are not accompanied by a visible change in the structure of the chromosome.
False
Mutations are the raw material of evolution and appear gradually.
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New species are produced only through the accumulation of multiple mutations.
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Polyploidy is more commonly observed in animals than plants.
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All mutations are harmful to an organism.
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Gene mutations can be caused by ultraviolet rays and chemicals.
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Divergent evolution is the process by which a single ancestral species gives rise to a single new form.
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Quantum evolution is a slow and gradual process of evolution.
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