Definition of Fraternal twins
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Fraternal twins Definition from Entertainment & Music Dictionaries & Glossaries
English to Federation-Standard Golic Vulcan
Fraternal twins Definition from Medicine Dictionaries & Glossaries
Dictionary of Medicine (Shahram)
Fraternal twins are siblings who have shared a common uterine environment. They are due to fertilization of two different ova by different sperm. Fraternal twins are also called dizygotic twins.