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20. INFJ. Chemistry Major. Easily and often confused. Is aware of the fact that the elements used in blog title don't actually spell what one might think at first glance. <3
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sciencesoup:

Yes, my science can explain this. Evolution in a sentence: during reproduction, DNA copying is never 100% accurate and so children are often differentiated from their parents by small changes or mutations in their DNA—and over a long enough period of time, new species evolve from chains of these mutations.
With this in mind, the first chicken must have hatched from a chicken egg, but that egg must have come from a slightly different species—almost, but not quite, what we would call chickens. So, two-non-chicken parents of an egg laying species created an egg, and thanks to small genetic mutations, a chicken was born. This mutation was probably very subtle, but it was enough to fulfil our criteria for what a chicken is.
Now you can unleash your science during discussions about this ancient question, and correctly answer: the egg.

sciencesoup:

Yes, my science can explain this. Evolution in a sentence: during reproduction, DNA copying is never 100% accurate and so children are often differentiated from their parents by small changes or mutations in their DNA—and over a long enough period of time, new species evolve from chains of these mutations.

With this in mind, the first chicken must have hatched from a chicken egg, but that egg must have come from a slightly different species—almost, but not quite, what we would call chickens. So, two-non-chicken parents of an egg laying species created an egg, and thanks to small genetic mutations, a chicken was born. This mutation was probably very subtle, but it was enough to fulfil our criteria for what a chicken is.

Now you can unleash your science during discussions about this ancient question, and correctly answer: the egg.

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    But, that genetic mutation occurred while that chicken was an embryo, inside of the egg, so wouldn’t the chicken come...
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