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Why do Mexican blind cavefish have eyes?

User Ftiaronsem
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1 Answer

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Answer:

The fact that cave fishes don't use their eyes has no effect on their genes. Instead, cave fishes are blind because something happened to the genes that control the development of their eyes. This change is passed on from parent to offspring. That explains why a blind fish would have blind offspring.

Step-by-step explanation:

:)

User Shariff
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