Most cancer is sporadic, due to somatic mutation. Most cancers not usually caused by viruses. Has linear written instructions not blueprints or pictures. Anything not covered today will be done next time. A. Fertilized Egg 1.
Egg is very big, lots of stuff.
Has all the regulatory stuff to get started and turn on the genes in the right order. Some was made in the mom and stuffed into the egg. Some made in the egg. More details to follow. Point of fertilization can determine an additional axis.