by Robert Carter | Nov 24, 2025 | Science
Natural selection comes in two forms, positive and negative. Positive selection is supposed to improve species, but Dr Rob gives a clear example where bad mutations are amplified. Negative selection is supposed to keep species from degrading, but Dr Rob uses the same...
by Robert Carter | Nov 26, 2024 | Science
Gregor Mendel was the father of modern genetics. He wrote his most important papers on the topic just a few years after Darwin published the Origin of Species. What people don’t realize is that Mendel’s papers did not only describe how traits are passed...
by Robert Carter | Sep 10, 2024 | Science
Mike Lynch and colleagues published a paper that is devastating to thousands of past studies on natural selection. By sequencing DNA from multiple natural populations over several years, they showed that the net effect of natural selection is “zero” for...
by Robert Carter | Nov 30, 2023 | Genetic History, Science
Darwin’s finches have long been considered an icon of evolution. A recent analysis included 40 years of morphological measurements and genealogy tracing among four finch species on a small island in the Galapagos chain. This was coupled to 30 years of DNA...
by Robert Carter | Nov 9, 2021 | Genetic History, Science
The apple gives us several excellent illustrations for understanding biblical genetics. The genetics of the apple tree is super complicated, yet always fascinating. From one domestication event several thousand years ago we now have over 10,000 apple varieties, and...
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