Use the Following to Answer Questions

question 14

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 appendage in species D is most likely associated with which process?

• A) Changes in the timing of gene expression
• B) Changes in the location of gene expression
• C) Phenotypic plasticity
• D) Both a and c
• E) Both b and c

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Definitions:

Carboxylic Acid

Organic compounds that contain a carboxyl group (-COOH), which consists of a carbon atom double-bonded to an oxygen atom and single-bonded to a hydroxyl group.

Oligopeptide

An oligopeptide is a short chain of amino acids, typically having fewer than 20 residues, connected by peptide bonds.

Polypeptide

A linear organic polymer consisting of a large number of amino-acid residues bonded together in a chain, forming part of (or the whole of) a protein molecule.

Blueprint

A detailed technical drawing or plan used for the design and construction of buildings, machinery, or systems.