Which of the following segments of DNA would likely have the fastest molecular clock rate?

a. Noncoding DNA that has a regulatory function
b. A pseudogene (a gene that has lost sequences needed for expression)
c. A gene for an essential enzyme
d. A gene for rRNA
e. A gene for a cytochrome involved in cellular respiration


Answer: b. A pseudogene (a gene that has lost sequences needed for expression)

Biology & Microbiology

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Before examining a fungal cell under a microscope, you are told that it is dikaryotic. Given that, you should expect the

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Biology & Microbiology

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Biology & Microbiology