who come first hen or egg
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The egg came first. Some scientists prove these question
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Answer:
Hen
Explanation:
Hen came first .
Formation of egg shell requires ovocleidin-17 which is founded in hen .
The first chicken might came in existence because of the result of a genetic mutation or mutations taking place in a zygote produced by two proto chickens . So when two proto chickens reproduced it combined their DNA together to form the cell of the first chicken.
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