In a Certain Species of Plant, Flowers Occur in Three

question 88

Multiple Choice

In a certain species of plant, flowers occur in three colors: blue, pink, and white. A pure-breeding pink plant is mated with a pure-breeding white plant. All of the F₁ are blue. When the blue F₁ plants are selfed, the F₂ plants occur in the ratio 9 blue : 3 pink : 4 white.
-How many gene pairs control the flower color phenotype?

• A) 0
• B) 1
• C) 2
• D) 3
• E) 4

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Definitions:

Generalized Fisher Effect

A theory stating that the real interest rate is independent of monetary measures, with nominal interest rates adjusting to expected inflation.

Real Interest Rates

The interest rates adjusted for inflation, representing the true cost of borrowing and the real yield to lenders or investors.

Forward Exchange Rate

The rate agreed today for exchange of two currencies at a future date, used in forward contracts.

Interest Rate Differentials

The difference in interest rates between two distinct economic or financial regions, affecting currency values and investment flows.