ABO blood group determination is an example of  

A.  epistasis.
B.  incomplete dominance.
C.  polygenic inheritance.
D.  multiple alleles.
E.  pleiotropy.


D.  multiple alleles.

Biology & Microbiology

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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.

Biology & Microbiology

Which represents the lowest degree of certainty?

a. hypothesis b. conclusion c. fact d. principle e. theory

Biology & Microbiology

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.

Biology & Microbiology

On the basis of this figure, multicellularity has evolved:

a. once. c. three times. b. twice. d. at least six times.

Biology & Microbiology