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B3 Revision:Inheritance (Mutations: (Most have barely any effect on the…
B3 Revision:Inheritance
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Sex linked disorders:
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Because men only have 1 allele, the characteristic of this allele is shown even if it is recessive
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Variation:
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Environmental variation:
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Environmental variations in a phenotype, also known as acquired characteristics
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Mutations:
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Causes gene to alter, producing a different allele or different version of a gene
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Some have a small influence as they only alter an organism's characteristics slightly (e.g.eye colour)
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