Genes
Stretches of DNA that each carry the instructions for one job, usually for making one protein. Humans have about 20,000 of them, on 46 chromosomes in 23 pairs: one of each pair from each parent.
Depth 1 · Foundation
You can explain what genes and chromosomes are, why chromosomes come in pairs, and why most traits depend on many genes.
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- 1
Foundation
You can explain what genes and chromosomes are, why chromosomes come in pairs, and why most traits depend on many genes.
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What's still between you and Genes, depth 1, in the order you can learn it.