sesquizygotic

English

Etymology

From sesqui- +‎ zygotic.

Pronunciation

• Audio (UK)

  (file)

Adjective

sesquizygotic (comparative more sesquizygotic, superlative most sesquizygotic)

1. Describing twins which are "semi-identical", formed from one egg fertilised by two separate sperm.
   • 2019 February 27, Nicolas Davis, The Guardian‎^[1]:

     Gabbett said that while there might be other, unreported, cases of sesquizygotic twins, it remains a very unusual phenomenon.

2. Describing twins which are semi-identical, formed from a split egg, where the major egg body and minor polar body are each fertilized by separate sperm.

Synonyms

• sesquizygous

Coordinate terms

• semi-identical
• half-identical

Related terms

• monozygotic
• dizygotic