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A genealogical study begins with the researcher recording everything one knows about one's immediate family. This information can be supplemented by oral tradition from elderly relatives. Family papers such as letters, deeds and diaries can help verify these recollections, as can old photographs.
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General practice is the branch of medicine concerned with providing care (known as "primary and continuing care") to patients irrespective of their age, sex or type of problem.
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Genetic diseases result from chromosome abnormalities or mutant genes showing a specific pattern of inheritance. In addition, genetic factors are involved in susceptibility to some nongenetic DISEASES.
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Interspecies gene transfer occurs naturally; interspecies hybrids produced by sexual means can lead to new species with genetic components of both pre-existing species. Interspecies hybridization played an important role in the development of domesticated plants.
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Macleans
With its fictional reconstruction of dinosaurs from prehistoric bits of DNA, the thrilling 1990 best-seller Jurassic Park and the spinoff blockbuster movie popularized the notion of genetic engineering.This article was originally published in Maclean's Magazine on January 20, 1997
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Macleans
This article was originally published in Maclean’s magazine on October 18, 1999. Partner content is not updated. In keeping with the message, the medium was suitably high-tech: a transatlantic encounter conducted live by television satellite. Up on the giant screen in the London conference hall, Robert Shapiro, chief executive officer of the Monsanto Co.
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GM plants were first marketed in the 1990s. The first commercialized GM crop was a TOMATO called Flavr Savr (resistant to rotting), marketed in 1994 by a US-based company, Calgene. Since then, many GM crops have been commercialized.
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Genetics may be conveniently divided into 3 areas of study: transmission genetics, molecular genetics and population genetics.
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The recent rapid advances in the knowledge about human genetics, largely the result of an international research initiative known as the HUMAN GENOME PROJECT, have been accompanied by numerous legal and ethical concerns.
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For centuries people have argued about the age of the Earth; only recently has it been possible to come close to achieving reliable estimates.
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Earth is 70.8% covered by water, but only with the development of sonar techniques has it become possible to describe the solid earth below the oceans. With increasingly sophisticated satellite observations, relatively fine structural details (eg, areas of volcanic activity) can be seen.
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Geomatics Canada, along with the Geological Survey of Canada and the Polar Continental Shelf Project, became part of the Earth Sciences Sector of the Department of Natural Resources in the mid-1990s. It was formerly known as the Surveys, Mapping and Remote Sensing Sector.
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Geomorphology is related to GEOLOGY because of the importance of long timescales, tectonic deformation of Earth's crust (seePLATE TECTONICS), and rock and sediment properties; and to physical geography through its association with CLIMATE, BIOGEOGRAPHY, SOIL SCIENCE, and HYDROLOGY.
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Geothermal Energy is the exploitable heat within the Earth. The interior of the planet is maintained at a high temperature by a vast store of heat, of which part remains from the formation of the Earth and part is continually generated by the decay of radioactive elements
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Furniture of Germanic derivation has come to Canada as a result of emigration from Germany and from Pennsylvania (see GERMANS). Traditional German furniture in Europe evolved over several centuries to serve the needs of ordinary, primarily rural, people.
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