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Chromosome: a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
Gene: the basic unit of heredity passed from parent to child.
Mutation: the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations, caused by the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes.
Recessive allele: a type of allele which will not be manifested in an individual unless both of the individual's copies of that gene have that particular genotype.
Transposon: a chromosomal segment that can undergo transposition, especially a segment of bacterial DNA that can be translocated as a whole between chromosomal, phage, and plasmid DNA in the absence of a complementary sequence in the host DNA.
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Why Is There So Much Land In The North?
To learn more about this topic, start your googling with these keywords:
Continental drift: An early theory of land movement that posited that the continents floated on the ocean bed.
Tetrahedral hypothesis: An early theory that attempted to explain the arrangement of Earth’s continents and oceans based on the geometry of a tetrahedron.
Plate tectonics: The generally accepted theory that the Earth’s surface is made up of a series of tectonic plates that slowly move around on top of the mantle.
Pangea: The most recent supercontinent to form on Earth, during the late Paleozoic era.
Great Rift Valley: A series of contiguous geographic trenches between two tectonic plates where humans first evolved.
Aurica: A potential future supercontinent predicted to form in about 200 million years.
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The Super Secrets of Sewage
To learn more about this topic, start your googling with these keywords:
Microbiome - the microorganisms in a particular environment (including the body or a part of the body).
Wastewater - water that has been used in the home, in a business, or as part of an industrial process.
Viral shedding - releasing a virus into the environment through sneezing, coughing, or feces.
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They all do the same, but we still need them
To learn more about this topic, start your googling with these keywords:
Ecological redundancy (also: functional redundancy or functional equivalence): the ecological phenomena that multiple species representing a variety of taxonomic groups can share similar roles in ecosystem functionality
Legume: a plant in the Fabaceae family
Nitrogen fixation: the chemical process by which atmospheric nitrogen is assimilated into organic compounds
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Where Will The Next Pandemic Come From?
To learn more about this topic, start your googling with these keywords:
Zoonosis: A disease that can be transmitted to humans by animals
Hyper reservoirs: Animals that naturally are home to multiple infectious agents.
Spillover: Transmission of a zoonosis from an animal reservoir to a human.
Life history strategy: An evolutionary strategy that involves tradeoffs among growth, survival, and reproduction.
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From the creators of the popular science show with millions of YouTube subscribers comes the MinuteEarth podcast. Every episode of the show dives deep into a science question you might not even know you had - but once you hear the answer, you’ll want to share it with everyone you know. Our team of scientists digs into the research and breaks it down into a short, entertaining explanation jam-packed with science facts and terrible puns. We’ll tell the incredible story of how monkeys crossed the Atlantic ocean on natural rafts, and we’ll explain why it gets hotter the deeper you dig underground.