The central dogma of biology says that DNA encodes RNA which encodes proteins In the beginning, you were a single cell made up from a fused sperm and egg. This cell had 23 pairs of chromosomes which together made up all your DNA – chromosomes are what DNA looks like when it’s tightly wrapped. DNA is a long code made up of four nucleotides that form a four-letter alphabet – ACGT...
DNA is the mastercode
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