| dizygotic | Relating to twins derived from two separate zygotes, i.e., bearing the same genetic relationship as full sibs but sharing a common intrauterine environment. Origin: G. Di-, two, + zygotos, yoked together (05 Mar 2000) |
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| dizygotic twin | <embryology> Twins which are the result of two separate zygotes, or two separate eggs fertilized by two separate sperm. They can be any combination of sexes (two males, two females, one of each). Compare: monozygotic twins. (09 Oct 1997) |
| dizygotic twins | Dizygotic twins are siblings who have shared a common uterine environment. They are due to fertilization of two different ova by different sperm. Dizygotic twins are also called fraternal twins. (12 Dec 1998) |
| twins, dizygotic | Two offspring produced in the same pregnancy from separate ova fertilised at the same time. (12 Dec 1998) |
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