Human skin and eye color are traits that are
a. the result of polygenic inheritance.
b. examples of continuous variation.
c. incompletely penetrant.
d. the result of polygenic inheritance and examples of continuous variation.
e. the result of polygenic inheritance, examples of continuous variation, and incompletely
penetrant.
D
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Consider the map shown below of a portion of a prokaryotic genome. How might the elements indicated affect the stability and structure of the genome? Assume that IS2 encodes for a transposase that catalyzes conservative transposition
Re-draw the genome map to illustrate your prediction if necessary. | IS2 |__gene1 gene2 gene3 | IS2 | geneA geneB geneC | IS2 | geneD | IS2 | geneX What will be an ideal response?
A region of prokaryotic DNA consisting of an operator, promoter, and coding sequence for several functionally related genes is called an ____
What will be an ideal response?
A mutation in which the fate of cell lineages is not synchronized in an organism is called a ____
A. heterochronic mutation B. apoptotic mutation C. homeotic mutation D. homeobox mutation
Choanoflagellates
a. have flagellated collar cells. b. may be free-living or colonial. c. make signaling molecules and adhesion proteins. d. likely share a common ancestor with sponges. e. fit all of these descriptions.