The development of eyes has been intensively studied.Eyes of vertebrates and insects are
A) analogous (homoplastic) , not homologous, yet the same Pax6 gene initiates development.
B) homologous, not analogous (homoplastic) , yet the same Pax6 gene initiates development.
C) analogous (homoplastic) , not homologous, and development is initiated by two different genes, Pax6 and Pax7.
D) homologous, not analogous (homoplastic) , and development is initiated by two different genes, Pax6 and Pax7.
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