The frequency of a particular allele within a population can be changed, over time, by
A. genetic outflow.
B. large population size.
C. selection.
D. inheritance of acquired characteristics.
E. random mating.
C. selection.
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Llamas, which are customarily known as mountain dwellers, have hemoglobin with higher O2 binding
affinity than that of humans. That being said, how would you predict the llama hemoglobin-O2 dissociation curve would differ compared to that of a human (see diagram below)? ©2014 Brooks/Cole, Cengage Learning
What will be an ideal response?Sometimes domesticated plants and animals are released into the wild, where they breed, survive, and populate. Which of the following statements is true?
A. Because populations are heavily monitored by humans for disease there are few deleterious alleles found in most domesticated populations. B. They tend to perform very well as often the traits chosen for by humans have created bigger, stronger, and healthier populations that outcompete wild ones. C. There appears to be little difference between long-term survival of domesticated and wild species when both are left in the wild. D. Because domestic populations often come from a few individuals, deleterious alleles are allowed to drift to a high frequency which inhibits their ability to survive in the wild.
After years of listening to loud music on headphones, the cilia on Bob's hair cells are damaged. What is the result?
A. Vestibular problems B. Vision problems C. Taste hallucinations D. Hearing loss
Optical tweezers can be used to ________.
A. remove structures from the surface of cells B. study nucleic acids recovered from individual cells C. help dissect individual microorganisms D. All of the choices are correct.