How Do Twins Happen?
Published on Nov 19, 2015
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PRESENTATION OUTLINE
TWINS
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Fraternal Twins
They are just like normal siblings that are born at different times.
Photo by Robert S. Donovan
Identical Twins
Just like a mirror image of the other twin.
Photo by EoinGardiner
How do identical twins happen?
It is rare. But it occurs when 1 egg is split in half.
Photo by @Doug88888
Genetics with Twins
Fraternal twins are genetic,
Identical twins aren't.
Photo by swishphotos
How are fraternal twins genetic?
-It is a trait that is passed down from mother to daughter. If the dad has the trait it won't effect anything.
Photo by miuenski
