| / English Dictionary |
IDENTICAL TWIN
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Either of two twins developed from the same fertilized ovum (having the same genetic material)
Synonyms:
identical twin; monozygotic twin; monozygous twin
Classified under:
Hypernyms ("identical twin" is a kind of...):
twin (either of two offspring born at the same time from the same pregnancy)
Hyponyms (each of the following is a kind of "identical twin"):
conjoined twin; Siamese twin (one of a pair of identical twins born with their bodies joined at some point)
Context examples:
A unique feature of this study was to employ identical twins in order to control for the large genetic determinant to humans' sleep duration.
(Chronic Sleep Deprivation Suppresses Immune System, The Titi Tudorancea Bulletin)
Identical twins tended to shift their eyes at the same times and in the same direction.
(Children’s visual engagement is heritable and altered in autism, National Institutes of Health)
By comparing identical twins who share the same genes to non-identical twins and randomly paired children who do not share the same genes, the study is one of the first to show that social visual behaviors are under genetic control.
(Children’s visual engagement is heritable and altered in autism, National Institutes of Health)
Using a statistical measurement called the intraclass correlation coefficient (ICC), which measures how well individuals within a group resemble each other (with a value of 1 marking perfect agreement), the researchers found that identical twins had an ICC of 0.91 for eye-looking and 0.86 for mouth-looking.
(Children’s visual engagement is heritable and altered in autism, National Institutes of Health)
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