Identical or Non-identical twins.
DNA testing is the definative method to determine if twins are identical
or non-identical.
Identical twins (monozygotic) have the exact same genetic profile, while
non-identical (dizygotic) have different genetic profiles, much the same
as siblings.
DNA SOLUTIONS ISO certified DNA laboratory will use a simple mouth swab
from each twin, extract the DNA and profile the DNA by using state of the
art DNA testing processes.
The cost is only $98 for both twins.
Semi-identical twins.
Very recently the world's first set of semi-identical twins was discovered.
Semi-identical twins have the exact same mother's DNA, but different DNA
from their father (see more details about semi-identical twins below). We
can only determine semi-identical twins by additionally testing the DNA
from both parents.
The cost for testing both parents and both twins is $189
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