| 21. | But William Shade is betting on his other boy, Matthew, Mark's fraternal twin.
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| 22. | Fertilization of two different oocytes by two different spermatozoa results in fraternal twins.
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| 23. | Or this : " Identical twins generally show greater similarity than fraternal twins ."
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| 24. | Now scientists in Finland have some clues about fraternal twins.
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| 25. | His younger brother, Cody, and fraternal twins Devin and Dylan.
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| 26. | Fraternal twins would have the problem in common just as often as identical twins.
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| 27. | She was the fraternal twin of Ptolemaic prince Alexander Helios.
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| 28. | Although they were fraternal twins, they nonetheless looked very much alike as young boys.
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| 29. | She gave birth to fraternal twins named Matteo and Joaquin.
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| 30. | Half were fraternal twins, who share half of their genes.
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