A very narrow pedigree, such as that for Egypt's Ptolemy dynasty, reflects
A) families with many adopted children.
B) a very mild phenotype.
C) many uncles marrying their nephews.
D) families with many relatives having children with blood relatives
D) families with many relatives having children with blood relatives
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The technique of deletion analysis revealed the modular architecture of Gal4p. In deletion analysis, nucleases or restrictionenzymes are used to selectively:
A. delete pieces of DNA froma specified gene. B. remove truncated protein products of a gene. C. restore in vitro activity of proteins to mutant cells. D. activate genes in vivo using a reporter assay.
The maximum volume of air that can be inspired following a resting expiration is called
A) functional residual capacity. B) vital capacity. C) inspiratory capacity. D) inspiratory reserve volume. E) tidal volume.
In reference to diffusion, passive really means
A) in the air. B) very slowly. C) no gradient. D) without a membrane. E) no energy required.
Although Earth's ecosystems are remarkably diverse in their characteristics, they all run on energy captured by ____.
A. autotrophs B. heterotrophs C. consumers D. decomposers E. detritivores