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Related to monozygotic: Monozygotic twins


Derived from a single fertilized ovum or embryonic cell mass. Used especially of identical twins.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌmɒnəʊzaɪˈɡɒtɪk) or


(Genetics) (of twins) derived from a single fertilized ovum, and so identical
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌmɒn ə zaɪˈgɒt ɪk)

also mon•o•zy•gous

(-ˈzaɪ gəs)

developed from a single fertilized ovum, as identical twins.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.monozygotic - derived from a single fertilized egg; "monozygotic twins"
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References in periodicals archive ?
Thus, the results of the present study indicate that schizophrenia-related brain changes may be present early in utero, and differences between monozygotic twins can also be observed already at this point.
De novo deletion of chromosome 11q12.3 in monozygotic twins affected by Poland Syndrome.
* A recent study (6) identified somatic mutations in monozygotic twins discordant for psychiatric disorders, including schizophrenia and delusional disorder.
Studies have reported a higher concordance rate amongst monozygotic twins (MZ) (43%) as compared to dizygotic twins (22%).14 The indistinguishable genetic basis of MZ twins explains the association.
After L-methionine was found to be helpful with my AMD, I went into a "reverse engineering research mode" and found a reference that in monozygotic twins who both had AMD, the twin with the higher dietary (not supplemental) L-methionine intake had a lower stage of AMD.
As for the middle sisters, despite being monozygotic twins, Farah and Bubblee are polar opposites.
Amazon Prime Video has announced the unscripted Amazon Prime Original series in collaboration with Raghu and Rajiv's Monozygotic. The show will blur the lines between romance and adventure reality shows to take contestants through a daring journey.
The studies of asthma and hay fever suggested that the prevalence of having both conditions was high (32%) and that they were more likely to occur together in monozygotic twins than they were in dizygotic twins.
By analysing data from a genome-scale study of DNA methylation in monozygotic and dizygotic twins, researchers identified genomic regions at which the epigenetic similarity of monozygotic, or identical, twins are substantially greater than can be explained by their genetic identity.
Interestingly, there is a lower risk of DS in monozygotic twin gestations relative to singleton pregnancies [2, 5], but an increased risk (~1/3-fold) of at least one twin being affected in dizygotic pregnancies [2].
Natera says that Panorama is the first NIPT that can determine whether twins are monozygotic (identical) or dizygotic (non-identical/fraternal) as early as 9 weeks' gestation.