Paternity Express – Twin Zygosity DNA Test

Twin classification at delivery often results in misidentification; many identical twins have two sets of chorionic membranes. Therefore, until a DNA or other blood test is performed, it is difficult to accurately determine whether twins are fraternal or identical.

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Paternity Express - Twin Zygosity DNA Test

Twin classification at delivery often results in misidentification; many identical twins have two sets of chorionic membranes. Therefore, until a DNA or other blood test is performed, it is difficult to accurately determine whether twins are fraternal or identical.

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