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fraternal

fraternal

7 5.9
Twins who come from two different eggs and are not identical
  • adjective
  • /frəˈtɜrnəl/
  • Specialized
translation icon : mellizo
  • Smoking preferences were more often shared by identical than by fraternal twins.
  • fraternal twins
  • fraternal twin pairs

You can calculate this by comparing monozygotic identical twins with fraternal dizygotic twins.

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Examples

  • If heredity affects a trait, identical twins should be more similar for the trait than fraternal twins.

    Blog text (1)
  • The MacManus brothers are fraternal twins.

    Fiction book (1999)
  • Liberty and July, born at midnight on the Fourth of July, were fraternal.

    Fiction book (1993)
  • Whatever these things are, they will be like fraternal twins; they will be so alike.

    Blog text (19)
  • Two studies compared the smoking behaviors of identical and fraternal twin pairs.

    Academic text (1991)
  • I know what you are saying; I have two-and-a-half-year-old fraternal boy/girl twins.

    Blog text (17)
  • You can calculate this by comparing monozygotic identical twins with fraternal dizygotic twins.

  • Liberty and July, born at midnight on the Fourth of July, were fraternal twins.

  • The MacManus brothers are fraternal twins, as they were born from two separate eggs.

  • I have two-and-a-half-year-old fraternal twins, a boy and a girl, who look quite different from each other.

Synonyms

dizygotic
vsfraternal
  • Specialized
1 9.1

Twins born from two different eggs fertilized by two different sperm and so not identical

is the common equivalent used to mean not genetically identical twins
nonfraternal
vsfraternal
  • Specialized
1 7.7

Twins born from different eggs who are not identical

expresses the origin positively rather than by negation
dizygous
vsfraternal
  • Specialized
9.9

Twins who come from two separate eggs each fertilized by a different sperm

refers to that same biological origin in ordinary use
biovular
vsfraternal
  • Specialized
9.9

Of twins who come from two different eggs and are not identical

uses the same idea but in more common wording

Antonyms

66 2.6

Twins who come from one egg and have the same genes

Compounds

One of two children born at the same time from different eggs who may look different and be different sexes

How Genetically Identical

monovular
  • Specialized
9.7
fraternal
  • Specialized
7 5.9

Surface Forms

fraternal positive

Morphology

fraternal = frater (semi-transparent) = frater + nal

The form clearly means 'brother-like' in origin, but the biological sense for twins is a specialized extension that is not fully predictable from the component parts alone.

Etymology

Fraternal comes from the Latin root frater 'brother'. It is used for twins who are like ordinary brothers or sisters because they come from two different eggs, so they are not identical.