Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb biology, genetics To infiltrate the genes of one species into the gene pool of another through repeated backcrossing of an interspecific hybrid

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin introgredior ("to step in, enter")

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Examples

  • To make a very long story short, it appears that a common human variant of the microcephalin gene originated on a chromosomal region that separated from the human lineage over 1 million years ago, only to come back “introgress” into H. sapiens about 37,000 years ago.

    The Panda's Thumb: Andrea Bottaro Archives 2007

  • To make a very long story short, it appears that a common human variant of the microcephalin gene originated on a chromosomal region that separated from the human lineage over 1 million years ago, only to come back “introgress” into H. sapiens about 37,000 years ago.

    Randy Neanderthals? - The Panda's Thumb 2006

  • To make a very long story short, it appears that a common human variant of the microcephalin gene originated on a chromosomal region that separated from the human lineage over 1 million years ago, only to come back “introgress” into H. sapiens about 37,000 years ago.

    The Panda's Thumb: November 2006 Archives 2006

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