Evolution.berkeley.edu

The causes of mutations

The research team set out to test the hypothesis that most de novo mutations occur because of copying errors. They looked at what … See more

Actived: 7 days ago

URL: https://evolution.berkeley.edu/evolution-101/mechanisms-the-processes-of-evolution/the-causes-of-mutations/

Natural selection hidden in modern medicine

WEBHowever, access to resources and modern medical interventions, such as C-sections, saves many of those lives. Doctors estimate that 10-20% of births require a C-section for …

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Human evolution in response to an ancient pandemic

WEBThe plague of Florence in 1348, as described in Boccaccio’s Decameron. Courtesy of Wikimedia. Bubonic plague and ancient DNA are having a media moment. Evo in the …

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A field guide for the new Tree of Life

WEBClicking on the starburst tree leads users to this page of the Field Guide that explains the basic features of the starburst tree. Clicking on the starburst tree leads you to a simple …

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DNA and Mutations

WEBA mutation is a change in DNA, the hereditary material of life. An organism’s DNA affects how it looks, how it behaves, and its physiology. So a change in an organism’s DNA can …

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Understanding evolution is important

WEBRelevance of Evolution. Understanding evolution is important. Understanding evolution helps us solve biological problems that impact our lives. There are excellent examples of …

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Superbug, super-fast evolution

WEBMethicillin was introduced in 1961 to treat these resistant strains, and within one year, doctors had encountered methicillin-resistant S. aureus. Today, we have strains of …

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evolutionary medicine

WEBevolutionary medicine. An approach to human health and disease that recognizes that the human body, as well as the pathogens that attack it and symbionts that aid it, are the …

Category: Medicine Go Health

The deep roots of diabetes

WEBEvo in the News. The deep roots of diabetes. The modern diabetes epidemic is caused, not by a virulent pathogen, but by the spread of an even stealthier invader: the Western …

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Human evolutionary history impacts our COVID-19 risk

WEBThe new research into COVID-19 risk and how it intersects with our Neanderthal ancestry is just one more example highlighting viewing humans as a product of a complex …

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Evolutionary fitness

WEBEvo 101. Evolutionary fitness. Evolutionary biologists use the word fitness to describe how good a particular genotype is at leaving offspring in the next generation relative to other …

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The effects of mutations

WEBLittle mutations with big effects: Mutations to control genes. Some regions of DNA control other genes, determining when and where other genes are turned “on”. Mutations in …

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The story in the stomata

WEBAs an undergraduate in Ireland, Jennifer discovered that the number of stomata per square inch of leaf surface can reveal different aspects of the atmosphere in which that plant …

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WEBThe bacterium MRSA (shorthand for methicillin-resistant Staphylococcus aureus) resists several antibiotics and can cause super-charged staph infections, leading to difficult-to …

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