Refer to the Table

question 142

Essay

Refer to the table. The table shows the divergence times (time since last common ancestor) between different species of butterflies and the numbers of changes that have occurred at two different genes.Graph the relationship between the divergence time and the number of changes in the gene for alcohol dehydrogenase.Explain why we can say that the gene is evolving as expected under the principle of the molecular clock?

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Definitions:

Dividend of $2.90

A specified amount of $2.90 paid to shareholders, typically on a per share basis, out of the company's earnings.

Required Return

The minimum return an investor expects to achieve by investing in a particular asset, considering its risk.

Annual Dividend

The yearly sum of money paid out to shareholders, typically derived from a company's profits.

Rate of Return

The earnings or losses realized from an investment for a certain period, presented as a proportion of the investment's original expenditure.