A researcher is trying to construct a molecular-based phylogeny of the entire animal kingdom. Assuming that none of the following genes are absolutely conserved, which of the following genes would be the best choice on which to base the phylogeny?
A) genes encoding enzymes involved in photosynthesis
B) genes encoding enzymes involved in collagen synthesis
C) genes that direct development of body axes
D) genes involved in gastrulation

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The Answer of A researcher is trying to construct a molecular-based phylogeny of the entire animal kingdom. Assuming that none of the following genes are absolutely conserved, which of the following genes would be the best choice on which to base the phylogeny?
A) genes encoding enzymes involved in photosynthesis
B) genes encoding enzymes involved in collagen synthesis
C) genes that direct development of body axes
D) genes involved in gastrulation

A Researcher Is Trying to Construct a Molecular-Based Phylogeny of the Entire