How does a baby bird know to act like a poisonous worm when a predator shows up? The answer is genetic memory, but how does it work? How does it get encoded into dna, passed down, and executed.
In: Biology
to OP: Although this isn’t an answer: There is also evidence that experiences can be passed down through DNA. Although the evidence is scant and not clear, there have been some studies to suggest if you expose an animal like a rat to a stimulus (like a little red room) every time that it eats, that it’s offspring will salivate more when exposed to a red color vs. a control group.
But, we totally do not understand the mechanism behind this.
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