An example of a beneficial mutation is
A) a mutation in collagen that causes the skin to be extra stretchy.
B) the mutation that causes sickle cell disease.
C) a mutation in the CCR5 gene.
D) a mutation in a cytokine gene that causes an allergy.
C) a mutation in the CCR5 gene.
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Depending on their environments, animals may gain water (select all correct choices):
A. by drinking. B. from food. C. during cellular respiration. D. through their lungs. E. during excretion.
A person jogging displays what kind of energy?
A. potential B. kinetic C. nuclear D. sweat
What steps would you take in order to produce a recombinant DNA molecule containing a piece of human DNA that can be easily propagated in bacterial cells?
What will be an ideal response?
What is the chi-square value?
a. 0 b. 8 c. 16 d. 64