DNA is a molecule that contains the genetic instructions used in the development and functioning of all living organisms. DNA is made up of two long strands that wind around each other to form a double helix. These strands are made up of four different types of molecules called nucleotides, which are adenine (A), thymine (T), cytosine (C), and guanine (G). The sequence of these nucleotides determines what type of protein will be produced by the cell. The DNA molecule is like a code, and the sequence of nucleotides on one strand dictates what amino acids will be present on the other strand.

Why should a person order a DNA test?

A person should order a DNA test to determine if they are related to someone else. It is also used to determine paternity, identity, and other biological relationships.

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Dna Stock Photos And Images

362,621 matches

Science template, wallpaper or banner with a dna molecules.FREE

Dna molecule sign set, genetic elements and icons collection strand. vector eps10 Vector Illustration

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