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Biology, 25.12.2020 20:10 makaylahunt

A HOX gene called Pax6 is required for developing light sensing eyes (or eye-like structures) in a range of taxa including Cnidaria, Mollusca, Arthropoda, and Chordata. Humans (Chordata) and squid (Mollusca) have complex eyes with many shared features, like a lens, that are NOT found in other taxa that have eyes or eye-like structures. Which of the following statements is TRUE?A. If human eyes and squid eyes are analogous, then the Pax6 gene in humans and squid will be nearly identical. B. If human eyes and squid eyes are analogous, then their shared common ancestor would also have complex eyes. C. If human eyes and squid eyes are homologous, then the Pax6 gene in humans and squid will be nearly identical. D. If human eyes and squid eyes are homologous, then they have independent evolutionary origins.

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