Reference Terms
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Allele frequency
Allele frequency is a measure of the relative frequency of an allele on a genetic locus in a population.
Note: The above text is excerpted from the Wikipedia article "Allele frequency", which has been released under the GNU Free Documentation License.
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Plants & Animals News
November 15, 2024
Nov. 13, 2024 — A 'one of a kind' fossil discovery could transform our understanding of how the unique brains and intelligence of modern birds evolved, one of the most enduring mysteries of vertebrate ...
Nov. 12, 2024 — Roughly 90 million years ago, climatic conditions in Antarctica were suitable for resin-producing trees. Researchers have now made the southernmost discovery of amber in the ...
Nov. 8, 2024 — Tool use isn't unique to humans. Chimpanzees use sticks as tools. Dolphins, crows, and elephants are known for their tool-use abilities, too. Now a report highlights elephants' remarkable skill in using a hose as a flexible shower head. As an ...
Nov. 4, 2024 — Extraordinarily well preserved fossils of feathered dinosaurs and other creatures got that way after being frozen in time by by volcanic eruptions, researchers have long suggested. Not so fast, says ...
Latest Headlines
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Nov. 15, 2024 — A study uncovered how Salmonella, a major cause of food poisoning, can invade the gut despite the presence of protective ...
Nov. 15, 2024 — Mountain lions in greater Los Angeles are proactively shifting their activity to avoid interacting with cyclists, hikers, joggers and other ...
Nov. 15, 2024 — Animals and plants also live and thrive on public squares. This creates opportunities for greater biodiversity and well-being for the human population. Researchers have studied at 103 locations in ...
Nov. 15, 2024 — Rainforest protection is not only good for biodiversity and the climate -- it also noticeably improves the health of humans who live in the corresponding regions. Researchers show that measures to ...
Nov. 15, 2024 — Hunted nearly to extinction during 20th century whaling, the Antarctic blue whale, the world's largest animal, went from a population size of roughly 200,000 to little more than 300. The most recent ...
Nov. 15, 2024 — Stress is a double-edged sword when it comes to memory: stressful or otherwise emotional events are usually more memorable, but stress can also make it harder for us to retrieve memories. Now, ...
Nov. 14, 2024 — Two conflicting memories can both be activated in a worm's brain, even if only one memory actively drives the animal's behavior, finds a new ...
Nov. 14, 2024 — An international research team has uncovered a new mechanism crucial to the production of cellular proteins. When this mechanism is disrupted, the blueprints used by the cell to produce proteins are ...
Nov. 14, 2024 — An international team of researchers has uncovered evidence of partial resistance to artemisinin derivatives -- the primary treatment for malaria -- ...
Nov. 14, 2024 — During the day, green spaces are cooler than the surrounding built-up areas, but this effect is often counterbalanced by increased ...