Many human behavioral traits
A. show genetic heterogeneity with the same phenotype resulting from different genes.
B. are due to dominant genes.
C. are a result of mutations in structural genes.
D. show genetic heterogeneity with the same phenotype resulting from different genes and
are due to dominant genes.
E. none of these.
A
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Hardy-Weinberg equilibrium is possible only if the population is
A) small, with no migration out or in, and females outnumbering males. B) large, with random mating and no migration, mutation, genetic drift, or natural selection. C) small, with nonrandom mating and no migration, mutation, genetic drift, or artificial selection. D) large, with nonrandom mating, mutation, genetic drift, and natural selection.
Which statement best describes autotrophic organisms?
a. Autotrophs are exemplified by fungi. b. Autotrophs are exemplified by animals. c. Autotrophs cannot carry out cellular respiration. d. Autotrophs depend on heterotrophs for food. e. Autotrophs synthesize complex molecules from CO2, water, and energy.
List the five major functions of the skeletal system.
What will be an ideal response?
Outbreaks of which protozoan disease have been associated with fecal-contaminated imported raspberries, fresh greens, and drinking water?
A. Cryptosporidiosis B. Toxoplasmosis C. Trichinosis D. Cyclosporiasis