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Showing results for dizygotic. Search instead for prezygotic.

dizygotic

American  
[dahy-zahy-got-ik] / ˌdaɪ zaɪˈgɒt ɪk /
Also dizygous

adjective

  1. developed from two fertilized ova, as fraternal twins.


dizygotic Scientific  
/ dī′zī-gŏtĭk /
  1. Derived from two separately fertilized eggs. Used especially of fraternal twins.


Other Word Forms

Etymology

Origin of dizygotic

First recorded in 1925–30; di- 1 + zygotic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

They had always believed they were dizygotic twins – created from two separate eggs that were fertilised by two different sperm.

From BBC Feb. 24, 2026

Twin studies compare the behavior of monozygotic twins, who share a genetic code, and dizygotic twins, who are no more genetically similar than ordinary siblings.

From Slate Mar. 8, 2013

Boklage’s arguments seem to agree with Penelope Francis, who insisted that her sons Derek and Zach are fraternal – or dizygotic – twins and not identical.

From Scientific American Jun. 21, 2012

If the inclination to vote was heritable, monozygotic twins would have more behaviors in common than dizygotic ones.

From Slate Jan. 27, 2012

She had come to see her dizygotic twin, Estha, from whom she has been separated for 23 years.

From The Guardian Apr. 15, 2010

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