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Yes, all the zygote seems to get by way of instruction is a genome, but you will look there in vain for any blueprint for a heart or brain. The genes simply encode proteins or other molecules that can ramp their production up or down.
Yes, all the zygote seems to get by way of instruction is a genome, but you will look there in vain for any blueprint for a heart or brain. The genes simply encode proteins or other molecules that can ramp their production up or down.