Research topic:immigration

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Find more facts and information on our topic page about immigration

immigration

A Dictionary of Plant Sciences | 1998 | | © A Dictionary of Plant Sciences 1998, originally published by Oxford University Press 1998. (Hide copyright information) Copyright

immigration In genetics, the movement or flow of genes into a population, caused by immigrating individuals which interbreed with the residents. This is the usual source of new variation in a population, although the fundamental sources of all variation are gene mutation and recombination. See also MIGRATION.

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Related newspaper, magazine, and trade journal articles from HighBeam Research

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Immigration Relief, Protection Act Introduced in House by Rep. Owens
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Related entries from encyclopedias, dictionaries, and thesauruses

Immigration Restriction
Dictionary entry from: Dictionary of American History IMMIGRATION RESTRICTION IMMIGRATION RESTRICTION. Although slaves are not usually considered immigrants, the first formal inhibition of immigration by the United States was the prohibition of the foreign slave...
Immigration
Encyclopedia entry from: International Encyclopedia of the Social Sciences Immigration Immigration studies have yet to reach a consensus on which kinds of human movements constitute immigration. This entry uses the term in its broadest sense, referring to...
Immigration Law
Book article from: The Oxford Companion to United States History para-3: 1915 changed to 1917 Immigration Law. As early as 1798, the Alien and...however, early Congressional oversight of immigration was slight. The Steerage Act of 1819...from visitors. State laws relating to immigration were struck down by the U.S. Supreme...
immigration
Book article from: The Columbia Encyclopedia, Sixth Edition immigration entrance of a person (an alien ) into...establishing permanent residence. Motives for immigration, like those for migration generally...may be very important. High rates of immigration are frequently accompanied by militant...
Immigration and Nationality Act (1952)
Book article from: Major Acts of Congress Immigration and Nationality Act (1952) Bo Cooper T he Immigration and Nationality Act (P.L. 82-414, 66 Stat...mirrors the American public and policy attitude toward immigration; it is complex, its pieces do not always fit well...

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