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genes and variation - Coggle Diagram
genes and variation
key words
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gene - short length of a chromosome, determines the production of protein
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gene mutation
occasionally genes may mutate, meaning a random change in an organisms DNA that can inherited, the sequence of bases that codes for amino acid changes
most variations will have a small influence on phenotype or rarely a big effect eg cystic fibrosis - the deletion of three bases
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A triplet, or a codon, is a set of three bases which codes for one amino acid.