Which is the LEAST LIKELY result of a genetic bottleneck?
a. complete elimination of the less common allele
b. increase in the frequency of the less common allele
c. allele frequencies identical to the previous generation
d. decrease in the frequency of an uncommon allele
e. decrease in the frequency of the most common allele
C
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Which of the following are unique characteristics or components of the adaptive—but not innate—immune system? Select all correct choices
A. immune memory B. opsonization C. natural killer cells D. phagocytosis E. specificity
Multicelled, absorptive structures called __________ are on each fold of the small intestines. Fill in the blank(s) with the appropriate word(s)
Salmonella enteritidis causes a food-borne illness that kills 400 to 600 Americans each year. It is found mainly in poultry products
Rather than give large doses of antibiotics to poultry, some poultry producers infect the intestinal tract of hens with a harmless bacteria, resulting in a dramatic decrease of S. enteritidis found in the chickens. In this case, what principle did the producers use? A) mutualism B) predation C) competitive exclusion D) parasitism
The rate at which energy is utilized to maintain bodily processes when resting
What will be an ideal response?