epigenetics Flashcards
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1
Q
what is epigenetics
A
the heritable changes in gene function without changes to the base sequences of DNA
2
Q
Tumour suppressor genes are responsible for preventing the development of cancer.
Explain how increased methylation of the tumour suppressor gene could lead to cancer.
A
Methyl groups can be added to tumour suppressor genes. This inhibits the transcription of tumour suppressor genes, leading to uncontrolled cell growth
