A twin zygosity DNA test is the only way to confirm with certainty whether twins are identical (monozygotic) or fraternal (dizygotic). Ultrasounds, placenta analysis at birth, and physical appearance all produce incorrect classifications more often than most parents realize -...
Private DNA Answers When a Cheek Swab Is Not an Option If you need a paternity test but cannot collect a standard cheek swab from the other person, a discreet DNA test may allow you to submit certain personal items...
What to Expect When You Order a Home DNA Test Kit If you have never ordered a home DNA test kit before, the process can feel unfamiliar. You may be wondering what comes inside the kit, how cheek swab collection...
A sibling DNA test determines whether two people share one biological parent (half-siblings), both biological parents (full siblings), or no biological parents (unrelated). It's most commonly used when a direct paternity test isn't possible - typically because the alleged father...
A NIPP test - short for Non-Invasive Prenatal Paternity test - determines the biological father of a baby before birth. It works by analyzing fragments of the baby's DNA that circulate naturally in the mother's bloodstream during pregnancy. The test...
Yes, you can do a paternity test using hair - but only if the hair has the root (follicle) still attached. The DNA used in paternity testing comes from cells in the hair root, not from the hair strand itself....
