monozygous twin


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Related to monozygous twin: monozygotic twin
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Noun1.monozygous twin - either of two twins developed from the same fertilized ovum (having the same genetic material)monozygous twin - either of two twins developed from the same fertilized ovum (having the same genetic material)
conjoined twin, Siamese twin - one of a pair of identical twins born with their bodies joined at some point
twin - either of two offspring born at the same time from the same pregnancy
References in periodicals archive ?
Monozygous twins are more genetically similar and are sometimes said to be "identical," while dizygous twins are called "fraternal.
73 for generalized epilepsy among monozygous twins.
Concordance rates for T1D in monozygous twins with long-term follow-up is >50%, compared to 6%-10% in dizygous twins, which is similar to what is found in nontwin siblings.