identical twin

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iden′tical twin′

either of a pair of twins who develop from a single fertilized ovum and therefore have the same genotype, are of the same sex, and usu. resemble each other closely. Compare fraternal twin.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.identical twin - either of two twins developed from the same fertilized ovum (having the same genetic material)identical 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 ?
The babies, who were the result of IVF treatment, are thought to be the first such identical twin quads born in the UK.
Identical twin brothers Craig and Mark Sanders are wed to identical twin sisters Diane and Darlene Nettemeier.
This means that if these cells are separated from the embryo, they may give rise to an identical twin by a process called 'regulation.
In a twist that could spawn a whole other reality show, Willie also has an identical twin brother who happens to be .
In February, identical twin brothers were arrested on suspicion of a series of rapes in France.
Although each identical twin inherits the same germ line DNA, both B and T cells not only rearrange that DNA but also add (and delete) non-genome encoded nucleotides to genes to make antibodies or T cell receptors, independently of antigen exposure.
The first episode in this two-part programme, hosted by identical twin doctors Chris and Xand van Tulleken, tells the story of Alexandra and Mia, fellow identical twins who were adopted separately as babies but eventually reunited by two pairs of parents from the US and Norway.
Jake knows he is adopted, and he assumes Jack is his identical twin.
But other than those differences, identical twin professors Jheem and Rheem Medh offer few distinguishable clues to their students and colleagues at California State University, Northridge, where they teach chemistry and biology.
He said: "If I have somebody that I love, and if there was some particularly good reason to have an identical twin.