Differential survival and reproduction of individuals of a population that vary in the details of shared
traits is called __________. Fill in the blank(s) with the appropriate word(s).
natural selection
You might also like to view...
The graph above shows the temperature profile for T. aquaticus polymerase, an enzyme used by a species of bacteria that
lives in hot springs. What does the boxed region indicate?
a. The enzyme activity increases as substrates increase their kinetic energy. b. The enzyme activity decreases as substrates increase their kinetic energy.
c. The enzyme activity increases as the enzyme denatures. d. The enzyme activity decreases as the enzyme denatures. e. The enzyme activity decreases as the enzyme refolds.
The P value is a quantitative expression of the probability that the results of another experiment of the same size and structure will deviate from expected results as much as or more than by chance
The greater the difference between observed and expected results of an experiment, __________. A) the lower the ?2 value and the lower the P value B) the greater the ?2 value and the greater the P value C) the greater the ?2 value and the lower the P value D) the lower the ?2 value and the greater the P value E) the greater the ?2 value; but the P value is unaffected
In humans, free earlobes (E) are dominant to attached earlobes (e) and the presence of freckles (F) is dominant to the absence of freckles (f)
If an individual heterozygous for both of these traits were to mate with an individual with attached earlobes and no freckles, what is the probability of having a child with attached earlobes and freckles? A) 0% B) 25% C) 50% D) 100%
Which is true regarding Herceptin therapy?
A) It neutralizes the growth factor EGF. B) It acts as an immunotoxin to target and kill cancer cells. C) It is used to treat some breast cancer patients. D) It is a vaccine to prevent the development of cancer. E) It is an endotoxin that stimulates TNF by macrophages.