ABO blood group determination is an example of
A. epistasis.
B. incomplete dominance.
C. polygenic inheritance.
D. multiple alleles.
E. pleiotropy.
D. multiple alleles.
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The switch from a lysogenic prophage to a lytic cycle is called
A. transformation. B. induction. C. latency. D. phage conversion. E. injection.
Which represents the lowest degree of certainty?
a. hypothesis b. conclusion c. fact d. principle e. theory
Microorganisms themselves are commercial products. Which of the following microbes is available as a product sold in retail stores?
A) Bacillus thuringiensis B) Lactobacillus C) Rhizobium D) Saccharomyces E) All of these organisms can be found in various commercial products.
On the basis of this figure, multicellularity has evolved:
a. once. c. three times. b. twice. d. at least six times.