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WHICH CAME FIRST EGG OR CHICKEN

In nature, living things evolve through changes in their DNA. In an animal like a chicken, DNA from a male sperm cell and a female ovum meet and combine to form a zygote -- the first cell of a new baby chicken. This first cell divides innumerable times to form all of the cells of the complete animal. In any animal, every cell contains exactly the same DNA, and that DNA comes from the zygote.The zygote cell is the only place where DNA mutations could produce a new animal, and the zygote cell is housed in the chicken's egg. So, the egg must have come first.
British researchers say the chicken must have come first as the formation of eggs is only possible thanks to a protein found in the chicken’s ovaries. The protein, ovocleidin-17, that is required to speed up the production of eggshell within the chicken. In twenty-four hours, an egg is ready to be laid. An egg cannot be produced without the chicken. So that settles it, once and for all. The chicken came first.


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