As it is known, features that characterize the offspring are passed to them from their parents through the germ cells: male - and female sperm - egg. Merging them during fertilization leads to the formation of a single cell zygote, which develops from a human embryo. It is obvious that in these two sexual cells and formed at the confluence of the zygote their genetic information is stored on the physical, biochemical and physiological properties, which have new people. If you get more information, visit our site: BEST ESSAY CHEAP
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