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Twin
Zygosity DNA Home Test
Kits
These tests determine whether
siblings are fraternal or identical twins or
siblings. Twins are either dizygotic
(fraternal) or monozygotic (identical).
Fraternal twins
are the result of two different eggs being fertilized by two
separate sperm and resulting in two completely distinct and
separate pregnancies in the womb at the same time. The DNA
profiles for fraternal twins will not be identical, and they are
just like full-siblings that are born at different times.
Identical twins
are the result of one egg fertilized by a single sperm.
The DNA profiles for identical
twins will be identical. Additionally, the physical attributes
of identical twins will also be similar.
In addition to the
above test (s) we encourage you to consider one or more of our
most popular "Personal Check" tests below. Each of these
tests can give you valuable insight into your body's condition
and help guide you in your desire for a more healthy lifestyle.
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