quaternary twin

名词 n.

英文释义

名词 n.
  1. First cousins whose parents are a pair of identical twins.
    — Quaternary twins are defined as the offspring born less than nine months apart to two sets of identical siblings. They don’t share a womb, or even a parent, but the DNA they inherit from their twin parents makes them not only cousins, but genetic brothers.

词形变化

quaternary twins plural
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