Suppose Researchers Know That Two Species of Fish Began Diverging

question 244

Short Answer

Suppose researchers know that two species of fish began diverging from a common ancestor when they were separated by the formation of the Isthmus of Panama 6 million years ago.The genetic divergence between these two species at the hypothetical HYR gene is 3 percent.[Note: The species have a total of 12 million years of evolutionary divergence, 6 million in each lineage.] The rate of evolutionary change at this gene in these species is _______ percent per million years.

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Definitions:

Complete Experiment

A Complete Experiment involves a fully implemented study that tests hypotheses through the manipulation of variables and observation of their effects on some outcomes.

Critical Thinking

The analysis of facts to form a judgment, involving logic and reasoning skills to evaluate the validity and reliability of statements and information.

Authority

The power or right to give orders, make decisions, and enforce obedience.

Expertise

Specialized skill or knowledge in a particular area, acquired through training, study, or practice, leading to a high level of competence or performance.