WHat is the difference between risk and certainty in genetic testing?, Risk means a disease will definitelt occur, risk means there is higher chance of develpping a disease, while certainty means it will definitely happens., risk means there is a higher chance of developing a disease, risk and certainty means the same thing, what is epigenetics?, the study of diseases only caused by genes., the study of how environmental factors can switch genes on or off, without chnages the DNA sequence., the study of DNA mutations only, the study of inheritated traits in plants., why does having a mutation in the BRCA1 or BRCA2 gene doesnt guarantee cancer?, because the mutation can disappear over time., because genes have no effect on disease development., because the mutation only increases risk, other factors also influence whether cancer develops., because everyone with the mutation develops cancer eventually

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