Which of the following processes generates a continuum (spectrum) of varying phenotypes?

A. Incomplete dominance
B. Single-gene traits
C. Multiple alleles
D. Polygenic inheritance


Answer: D

Biology & Microbiology

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Which of the following are NOT found within the photosynthetic gene cluster of Rhodobacter (a purple phototrophic bacterium)?

A) genes encoding reaction center and light-harvesting photocomplexes B) genes encoding proteins involved in phycobiliprotein biosynthesis C) genes encoding proteins involved in bacteriochlorophyll biosynthesis D) genes encoding proteins involved in carotenoid biosynthesis

Biology & Microbiology

Cephalization is associated with bilateral symmetry

Indicate whether the statement is true or false.

Biology & Microbiology

The result of double fertilization in an

angiosperm is

a. two embryos. b. an embryo and a megaspore c. an embryo and endosperm. d. an embryo and a pollen grain. e. an embryo and a female gametophyte.

Biology & Microbiology

The pathologic state involving the disruption and destruction of tissues by microbes is referred to as a(n) _____ disease

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology