Gene Flow Is Completely Blocked Between Two Populations of a Flowering

question 70

Essay

Gene flow is completely blocked between two populations of a flowering plant for 300 years.One population develops light green leaves,tall spindly stems,and purple flowers.The other population develops dark green leaves,short stems,and white flowers.At the end of the 300 years,people begin planting these flowering plants together in decorative gardens.People quickly realize that these two flowering plants are capable of interbreeding.Did speciation occur during the 300-year separation? Explain your reasoning.

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Definitions:

Effective Annual Rate

The interest rate on an investment or loan that is compounded annually, reflecting the full amount of interest paid or earned over a year.

Compounding

The process where the value of an investment increases because the earnings on an investment, both capital gains and interest, earn interest as time passes.

Rate of Return

An indicator of the efficiency of an investment, measuring how much profit or loss has been made compared to its initial cost, represented as a percentage.

Cash Flows

The movement of money into and out of a business, representing earnings and expenses.