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Deoxyribonucleic acid (DNA) is the basic blueprint for every process necessary to life. The specific sequence of nucleotides, named guanine, cytosine, adenine, and thymine, codes for production of the proteins that build everything in our bodies.

Newborns have all five senses, though some are still developing. Sight: low focus, few colors Sound: fully developed, even before birth Touch: fully developed, even before birth Taste: some development, prefer sweet Smell: well developed, prefer mother

"Human embryogenesis is believed to involve an integrated set of complex yet coordinated development of different organs and tissues mediated by the changes in the spatiotemporal expression of many genes. Here, we report a genome-wide expression analysis during wk 4–9 of human embryogenesis, a critical period when most organs develop. About half of all human genes are expressed, and 18.6% of the expressed genes were significantly regulated during this important period."-Hong Yi et al. (emphasis added) https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2923361/