An example of secondary succession is
A) grasses colonizing sand dunes.
B) lichens colonizing a rock.
C) weeds colonizing a volcanic lava flow.
D) crabgrass colonizing an abandoned wheat field.
D
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The Hardy-Weinberg law can be used to calculate allele and genotype frequencies without genetic testing
a. True b. False
Using retroviral vectors for gene therapy might increase the patient's risk of developing cancer because they might _____
A) introduce proteins from the virus B) not express the genes that were introduced into a patient's cells C) not integrate their recombinant DNA into the patient's genome D) integrate recombinant DNA into the genome in ways that misregulate the expression of genes at or near the site of integration
Expression QTL mapping allows researchers to characterize ________
A) loci that encode phenotypes B) loci that have high mutating rates C) loci that control gene expression D) loci that modify the rate of protein translation
Why has DNA analysis been effective recently at overturning faulty criminal convictions?
A) Genetic evidence can determine if an individual is predisposed to criminal behavior. B) Scientific evidence was not admissible in U.S. courts until just recently. C) Juries have tended to exhibit biases against DNA evidence in the past; however, that trend is now changing. D) DNA evidence is a more reliable individual identifier compared to eyewitness testimony. E) Scientists only discovered in 2005 that each individual's DNA is unique.