The use of a molecular clock
A. depends on nucleic acid changes being neutral and not tied to adaptation.
B. depends on nucleic acid changes occurring at a fairly constant rate.
C. still needs to be calibrated with the fossil record.
D. All of the choices are correct.
Ans: D. All of the choices are correct.
You might also like to view...
When a gene is transcribed, what is produced?
a. more DNA b. protein or polypeptide sequences c. messenger RNA d. enzymes e. genetic defects
Which term refers to a response to change in the internal/external environment that adds to the change?
a. physiological feedback b. anatomical feedback c. negative feedback d. positive feedback
Labeled, known, short stretches of DNA used to detect a specific sequence of nucleotides in a mixture are
A. gel electrophoresis. B. genetic engineering. C. gene probes. D. recombinant DNA. E. biotechnology.
The four locations of endospores are....
What will be an ideal response?