Use the Following to Answer Questions

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.

Correct Answer:

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