2 years ago
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Jagjot Gill
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A chromosome is a long piece of DNA that is found in the nucleus of a cell.
Each chromosome is made of several genes and each gene is made up of DNA.
Think of DNA as a small building block, like a brick.
Then multiple bricks come together to build a wall (gene).
Then multiple walls built on top of each other form a whole skyscraper (chromosome).
(Finally, many skyscrapers side by side form a whole city (all chromosomes in the nucleus)).
Hope this helps :)
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Structures of DNA that code for the characteristics of an organism. Humans have 23 pairs of chromosomes, each of which contains many genes.
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