DNA Methylation + Epigenetics

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Presentation transcript:

DNA Methylation + Epigenetics

Methylation Shuts off Gene Expression

DNA Wrapping/Acetylation

Why is This Important? Differentiation of cells Environmental effects on gene expression Heredity/Evolution?

Differentiation of Cells Every cell in your body (except sperm/egg) have the same DNA!

Important in Producing Stem Cells

Environmental Effects Twins become different over time Experience matters!

Epigentics and Inheritance Positive and negative effects Appears to be a 3 generation effect

Epigenetics and Health We are almost certain methylation is important in causing cancer But also likely involved in many other diseases

Epigenetics and Evolution? Nature can not only select which genes become common but which gene expression patterns are passed on?

Rest of Week Tomorrow – Practice Test Wednesday – Review day/Jeopardy Thursday – Unit Test Friday – Evolution!