Hair color is coded for by several genes. This is an example of ___________.
a. polygenes
b. pleiotropy
c. incomplete dominance
d. codominance
Ans: a. polygenes
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What are the tiny, absorptive structures on the root cells near the root tip?
A) taproots B) rhizomes C) root hairs D) root buds
Multicellular eukaryotes that derive nutrients from organisms, and have a cell wall are (algae/fungi/protozoa).
Fill in the blank(s) with the appropriate word(s).
Which of the following is not a type of bacterial DNA recombination?
A. Transformation B. Transduction C. Conjugation D. Mitosis
A sac fungus is exposed to a mutagen, and it mutates so that it cannot produce a functional ascocarp. The most likely consequence is
A. this is a vestigial structure, so there is no consequence. B. fruiting bodies would not occur. C. asexual spores would not be produced. D. lichens could not form. E. cellular metabolism could not occur.