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gene flow

noun, Ecology
1.
the alteration of the frequencies of alleles of particular genes in a population, resulting from interbreeding with organisms from another population having different frequencies.
Origin
1945-1950
1945-50
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for gene flow
  • Political boundaries are irrelevant except where topography has limited gene flow between populations.
  • Because humans are wide ranging and can live in a variety of habitats, he says, it's likely gene flow was sustained.
  • The two subspecies used to intermingle, so transferring a few females would restore some of the natural gene flow.
  • Yet there is evidence of high gene flow among vents.
  • It shouldn't move so fast, unless you have got sort of higher order things going on with the gene flow.
  • They point out that this requires large-scale linkage of habitat to preserve gene flow of all species.
  • Estimating gene flow and mutation rates is a tricky thing, the authors acknowledge.
  • Still, the problem of limited gene flow in a small population remained.
  • Historically people have married their neighbors and so gene flow is often well modeled as isolation by distance.
  • That's a function of genetic differences which build up if you are relatively insulated from gene flow.
British Dictionary definitions for gene flow

gene flow

noun
1.
the movement and exchange of genes between interbreeding populations
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word of The Day

Difficulty index for gene flow

Few English speakers likely know this word

Word Value for gene

5
7
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