A mutation is one form of genetic variation.
The Gutenberg Bible was the first major book printed using mass-produced movable metal type in Europe.
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The picture below represents; A. Gas
Answer:
The traits of a living thing depend on the complex mixture of interacting components inside it. Proteins do much of the chemical work inside cells, so they largely determine what those traits are. But those proteins owe their existence to the DNA (deoxyribonucleic acid), so that is where we must look for the answer.
