What is DNA?

How does our DNA make us unique, and how is this unique genetic information passed on when cells divide?

Biology - Cells And DNA - Learning Points.

Deoxyribonucleic Acid (DNA) molecules are found in chromosomes within all our cells.

DNA instructs the cell to make specific proteins that determine personality and physical traits.

Due to a double-helix structure, DNA can replicate itself and its base sequence.

Each person's DNA contains a unique sequence of base molecules - adenine, thymine, cytosine, guanine.
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