A Scientist Has Isolated a Strand of DNA from a Fungus

question 86

Short Answer

A scientist has isolated a strand of DNA from a fungus and plans to characterize its properties.She has made a list of these properties in the table below. If the scientist wants to explore the evolutionary relationship between this fungus and another organism, she should use the _______ property of the DNA strand to carry out her analysis.

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Definitions:

Fixed-Ratio

A schedule of reinforcement where a response is rewarded only after a specified number of responses, in behavioral psychology.

Fixed-Interval

A schedule of reinforcement where rewards are given after a predetermined interval of time has passed.

Variable-Ratio

A reinforcement schedule where a response is reinforced after an unpredictable number of responses, often used in behavior modification.

Variable-Interval

A schedule of reinforcement where rewards are given after a random amount of time has passed, promoting a steady response rate in behavior.