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Genetics Part 1 (Sexual Reproduction and Meiosis (Sexual Reproduction…
Genetics Part 1
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DNA
DNA is a polymer
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Each units contain 4 bases (A,T,C,G)
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Genetic variation
Differences in species
Genetic variation within a species happens by organisms have different alleles and leads o differences in the characteristic of the organism
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Mutations
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Do not always have a big effect on the phenotype and most mutations do not have any effect and is neutral
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Mutation might result in the product of protein is different and can no longer carry out the function and this is what happens in cystic fibrosis and mittopm causes protein that controls movement of salt and water into and out to of cells to stop working properly
This could lead to mucus in lungs and digestive system and make it harder to breathe and digest food