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6 Cards in this Set
- Front
- Back
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2 types of twins
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-Monozygotic
-Dizygotic |
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Which type of twin is fraternal?
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Dizygotic
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Which type of twin can develop in one of two ways?
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Monozygotes
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How do Dizygotic twins HAVE to develop?
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With individual placentas, chorions, and amniotic sacs.
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How can monozygotic twins develop in addition to having 2 completely separate wombs?
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By having 2 amniotic sacs but in 1 placenta and 1 chorion
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What has to happen for monozygotic twins to share a placenta and chorion?
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The zygote splits evenly
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