'Dna mutations' diaporamas de présentation

Today Genetic variability & mutations: source of variation in organisms

Today Genetic variability & mutations: source of variation in organisms. The nature of science Methodological Naturalism [We can only test natural causes. There may be a diety.] ( This is what Science does ) v. Philosophical Naturalism

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DNA Mutations and Repair

DNA Mutations and Repair. Chapter 17. Mutation: is defined as an inherited change in genetic information by cell division or individual organisms. Chernobyl, April 26th, 1986. Mutations can be classified into categories. Categories of mutations. Somatic and germ line. Achondroplasia.

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Phylogenetics workshop: Protein sequence phylogeny

Phylogenetics workshop: Protein sequence phylogeny. Darren Soanes. Parts of a tree. plural of taxon = taxa. Phylogenetic tree: evolutionary family tree. Nodes in the tree represent speciation events, where an ancestral lineage gives rise to daughter lineages. Relationships in trees.

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Yucca Mountain: High-Level Nuclear Waste Site

Yucca Mountain: High-Level Nuclear Waste Site by: Anthony Ricco Urbs/Geog 515:Race, Poverty, And the Environment (Spring 2004) Raquel Pinderhughes Urban & Environmental Studies Programs, SFSU

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Modern Systematics

Modern Systematics. Traditional Systematics Scientists have traditionally used similarities in appearance and structure to group organisms. However, this approach has been problematic. Some groups look similar but turn out to be distantly related.

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WISDOM/HealthGrid: overview of grid applications in life sciences

WISDOM/HealthGrid: overview of grid applications in life sciences. V. Breton CNRS Grid Institute, IN2P3 EUMEDGRID-Support Launch Event, 26/01/2010. Credit: A. Da Costa, P. De Vlieger, J. Salzemann. Introduction.

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DNA Mutations

DNA Mutations. Chapter 12.4. Mutation. Mutation : Any change in a gene is a mutation. Substances that cause a mutation are called mutagens. Mutations can also happen spontaneously. Point Mutation. A change in one nucleotide

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DNA Mutations & Genetics

DNA Mutations & Genetics. Lewis Biology 2013. Concepts Covered this unit. Mutations (Point and Frame-shift) Diseases caused by Mutations Sickle Cell Anemia and Point Mutations Genetics and Heredity Gregor Mendel and the Pea Plants Monohybrid Crossing Alleles Mendelian Genetics

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DNA Mutations

DNA Mutations. Mutations Occur 1 of 2 ways. 1. DNA damage from environmental agents such as UV light (sunshine) 2. Mistakes when copying DNA. D N A Damage from Environmental agents. EXAMPLES Skin Cells with sun exposure Lung cells with cigarette smoke Radiation

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DNA Mutations

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Mutations:

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GENE EXPRESSION & MUTATIONS IN DNA

GENE EXPRESSION & MUTATIONS IN DNA. HOW DO CHANGES IN DNA AFFECT PROTEIN SYNTHESIS? WHY IS IT IMPORTANT THAT GENE EXPRESSION IS REGULATED?. ALL our DNA is found inside the nucleus of every single cell in our body! (minus your reproductive cells).

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DNA Mutations

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DNA Mutations

DNA Mutations. Mutations are changes in DNA. They can be good, bad or indifferent Most mutations are indifferent because they happen on introns . Very few mutations are good Mutations can occur on somatic cells or on gamates. Types of Mutation. Point Mutation.

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Molecular Phylogenetics

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DNA Mutations

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DNA Mutations

DNA Mutations. Point Mutation Substitution of a single base AUG CUG GAA CGA CUG UGA AUG CUG GA G CGA CUG UGA Frameshift Mutation Insertion or deletion of a single base AUG CUG GAA CGA CUG UGA AUG CUG AAC GAC UGU GA OR AUG CUG GUA ACG ACU GUG A.

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G-------____ T------- ____ A------- ____ A------- ____ C------- ____ T ------- ____ C------- ____

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