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View definitions for fraternal twin

fraternal twin

noun as in twin

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Example Sentences

Comparing identical twins with fraternal twins, as opposed to comparing twins to non-twins, allowed the researchers to rule out any epigenetic changes that stemmed from the unusual experience of sharing a womb.

This was an ongoing study of twins in Michigan, including both identical twins who have the exact same genetic material, and also fraternal twins who share half their genetic material, following these twins since birth.

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From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

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