The letters of the DNA ladder

The architecture of the DNA molecule is like a spiral staircase.
Each step consists of a pair of chemical letters that spell instructions for the body manufactures proteins, the building blocks that make up living organisms.

The alphabet of four letters, A, T, gyc, by-the chemicals that make up the spiraling molecule that is designed to ay t marry to perfection, forming a rung of the ladder, and the letters forming the next gyc , And so on.
The order in which these couples Rengo arranged letters is something that we inherited from our parents.