# semi-identical

> English word · Adjective

## Definitions
1. Being the result of two sperm cells fertilizing a single egg, which then splits into two embryos, sharing all of the mother's genetic material but only half of the father's.
2. Being the result of two sperm cells each fertilizing a split egg, where one fertilizes the major egg body and another fertilizes the minor polar body.

## Etymology
From semi- + identical.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/semi-identical