The Evolution of Initiation of Limb Development in Tetrapods Is

question 43

Multiple Choice

The evolution of initiation of limb development in tetrapods is best explained by

• A)a new gene mutation.
• B)the co-option of an existing gene for a new function.
• C)homoplastic convergence.
• D)gene duplication and divergence.
• E)conserved genes.

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