Use the Following to Answer Questions

question 98

Multiple Choice

Use the following to answer questions :
The diagram below shows the association of phenotype and gene expression patterns in five different species. The top portion shows the phylogeny of the five species; below the phylogeny are the phenotypes of the five species; and at the bottom are the expression patterns for three different genes (genes 1, 2, and 3) at two different time points in development (early and late) , and in two different locations in the embryo (top and bottom) .
-The phenotypes of species B and E illustrate the phenomenon of

• A) developmental plasticity.
• B) homology.
• C) diapause.
• D) parallel phenotypic evolution.
• E) pleiotropy.

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Definitions:

Surplus

The situation in which the quantity supplied of a good exceeds the quantity demanded at a given price.

Quantity Demanded

The overall quantity of a product or service that buyers are ready to buy at a specific price.

Quantity Supplied

How much of a product or service that sellers are willing and able to transact at a given price level.

Equilibrium Price

The market price at which the quantity of goods supplied is equal to the quantity of goods demanded; it is the price that clears the market.