Which of the following best defines microevolution?
A) Changes in genes between populations
B) Changes in genes within a population over time
C) Changes in genes that do not change the gene pool over time
D) Changes across species but not in genes
B
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The principles of linkage and recombination were discovered using which organism?
a. yeast b. E. coli c. viruses d. fruit flies
e. cattle____ is a main function of adipose tissue
a. Energy utilization b. Physical support of organs c. Structural integrity d. Insulation e. Hormone storage
Who presented the idea of natural selection to the Linnaean Society in 1858?
A) Cuvier B) Darwin and Wallace C) Darwin D) Plato E) Lamarck
The sequence of nitrogen-containing bases on one strand of DNA most directly determines the sequence of
A) sugars in a polysaccharide molecule. B) amino acids in a protein molecule. C) fatty acids in a fat molecule. D) bases in a protein molecule.