Mutations and cancer genetics
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Inside cancer
Comprehensive site on cancer genetics from the DNA learning centre.
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Key breast cancer oncogene found
BBC news story from 2011.
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Proto-oncogenes
Short Youtube video.
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Scientists crack genetic code of cancer
BBC News story.
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Sickle cell anaemia
Short video from the DNA Learning Centre explains how a point mutation causes the change to the structure of haemoglobin which leads to sickle cell anaemia (Edexcel spec.)
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Smoking a pack a day for a year causes 150 mutations in lung cells
This article from The Science Explorer references a study looking at mutation rates in various cell types in smokers, making the link between the number of cigarettes smoked in a lifetime and the number of mutations in tumour DNA.