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[jen-uh-tahyp, jee-nuh-] /ˈdʒɛn əˌtaɪp, ˈdʒi nə-/
noun, Genetics.
the genetic makeup of an organism or group of organisms with reference to a single trait, set of traits, or an entire complex of traits.
the sum total of genes transmitted from parent to offspring.
Compare phenotype.
Origin of genotype
< German Genotypus (1909); see gene, -o-, -type
Related forms
[jen-uh-tip-ik, jee-nuh-] /ˌdʒɛn əˈtɪp ɪk, ˌdʒi nə-/ (Show IPA),
genotypical, adjective
genotypically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for genotype
  • The drug may work best for patients with a specific genotype.
  • Connecting phenotype with genotype has remained the fundamental aim of modern genetics.
  • For me personally, interpreting my genotype is no more dangerous than the receiving the results of a home glucose test.
  • And it's encouraging because it shows that there may be a way to change the obesity genotype with an early intervention.
  • In the longer term they might yield transplantable organs with the same genotype as the recipient, thus eliminating.
  • The phenotype consists of the genotype variance plus the environmental variance.
  • Gene duplication has been demonstrated as a means of increasing complexity in a genotype.
  • In other words, one gets the genotype not in it's pure form, but at the state of the cell taken for the cloning process.
  • By contrast, birth weight is influenced by both maternal and fetal genotype.
  • One genotype, to use the jargon, may allow athletes who use anabolic steroids to escape detection altogether.
British Dictionary definitions for genotype


the genetic constitution of an organism
a group of organisms with the same genetic constitution
Compare phenotype
Derived Forms
genotypic (ˌdʒɛnəʊˈtɪpɪk), genotypical, adjective
genotypically, adverb
genotypicity (ˌdʒɛnəʊtɪˈpɪsɪtɪ) noun
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 Origin and History for genotype

"genetic constitution of an individual," 1910, from German Genotypus (Wilhelm Johannsen, 1909); see gene + type. Earlier the same word was used with a sense of "type species of a genus" (1897); in this case, the first element is from genus.

Online Etymology Dictionary, © 2010 Douglas Harper
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genotype in Medicine

genotype gen·o·type (jěn'ə-tīp', jē'nə-)

  1. The genetic constitution of an organism or a group of organisms.

  2. A group or class of organisms having the same genetic constitution.

gen'o·typ'i·cal (-tĭp'ĭ-kəl) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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genotype in Science
  (jěn'ə-tīp', jē'nə-tīp')   
The genetic makeup of an organism as distinguished from its physical characteristics. Compare phenotype.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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genotype in Culture

genotype definition

A combination of alleles situated on corresponding chromosomes that determines a specific trait.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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