Biology 1002B Lecture 17: LECTURE 17- CANCER
31 Mar 2016
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Epigeneic silencing/regulaion: persist beyond the condiions that caused it in the irst place o o o o. If dna gets methylated, can block binding of transcripion factors. Can also atract atenion of hdac: histone deacetylases, can close down chromain, and silence the gene. In the same way as drosophila development as applied gene regulaion. Happens when someone asks you a quesion and you think of googling it. Maternal efect genes: are expressed in the mother, not in the zygote o. Segmentaion genes are the irst to be expressed in the nuclei areas o o o o o o. Incidence of cancer as been relaively consistent since 1971. Why might there be higher incidence of cancer in diferent geographical. Ethnic diference among people that live in areas. Higher risk in men than women o o. Breast cancer, prostate cancer, colorectal cancer, lung cancer.
