noun which may take the genitive case particle 'no', noun
identical (twins); monozygotic
Medical term used to describe twins from a single fertilized egg. Often used in the phrase 一卵性双生児 (identical twins).
See also: 二卵性
彼らは一卵性の双子です。
They are identical twins.
一卵性双生児は遺伝的に同一です。
Monozygotic twins are genetically identical.